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File:Na2O-SiO2.svg
Kamis, 2025-09-04 16:42:23

license: English Phase diagram of the Na2O-SiO2 (anhydrous) system Afrikaans Fasediagram van die watervrye Na2O-SiO2 stelsel author name string: Jcwf Wikimedia...

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File:Luminescent microphotography of amorphous silicon dioxide (SiO2).jpg
Senin, 2022-11-07 22:06:13

dioxide (SiO2). UV microscopy, fluorescing screen, magnification 200X. Russian Люминесцентная микрофотография аморфного диоксида кремния (SiO2). Ультрафиолетовая...

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File:Bimodal AFM nanomechanical mapping of MoS2 on Si-SiO2.webp
Kamis, 2023-11-23 08:08:37

Attribution 4.0 truetrue English In-plane Young’s modulus of monolayer MoS2 on Si/SiO2, with mappings of a topography, b in-plane Young’s modulus, and c histogram...

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File:SiO2 Molecule.png
Jumat, 2023-06-02 19:30:56

Attribution-Share Alike 4.0 truetrue English Lewis structure of isolated SiO2 Molecule author name string: Emanuel B. Savini Wikimedia username: Emanuel...

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File:SiO2 - Quarz - 2D.png
Kamis, 2020-09-10 07:03:09

  SiO2 as Quarz-cristal. 2D model. I, the copyright holder of this work, hereby publish it under the following licenses: This file is licensed under the...

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File:SiO2repeat.png
Minggu, 2025-10-12 02:45:05

English French Structures communes de dioxyde de silicium (SiO2) author name string: Smokefoot URL: https://commons.wikimedia.org/wiki/user:Smokefoot Wikimedia...

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File:Synthesis and photoluminescence properties of silica-modified SiO2@ANA-Si-Tb@SiO2, SiO2@ANA-Si-Tb-L@SiO2 core–shell–shell nanostructured composites.pdf
Minggu, 2025-08-10 22:10:17

DescriptionSynthesis and photoluminescence properties of silica-modified SiO2@ANA-Si-Tb@SiO2, SiO2@ANA-Si-Tb-L@SiO2 core–shell–shell nanostructured composites.pdf English:...

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File:Plasmonic silver nanoparticles.tif
Senin, 2026-02-02 09:26:27

truetrue English The picture shows SEM image of silver nanoparticles on SiO2 wafer obtained after annealing at 950°C by rapid thermal system. Russian...

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File:Схема рассеивания пыли неорганической с содержанием SiO2, содержащейся в выбросах АО «Себряковцемент».png
Senin, 2024-08-12 18:18:45

Attribution-Share Alike 4.0 truetrue English Russian Схема рассеивания пыли неорганической с содержанием SiO2, содержащейся в выбросах АО «Себряковцемент»...

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File:Схема рассеивания пыли неорганической с содержанием SiO2 20…70 %, содержащейся в выбросах АО «Себряковцемент».png
Senin, 2024-08-12 18:18:44

Attribution-Share Alike 4.0 truetrue English Russian Схема рассеивания пыли неорганической с содержанием SiO2 20…70 %, содержащейся в выбросах АО «Себряковцемент»...

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File:Polystyrene monolayer.jpg
Minggu, 2026-04-26 13:18:30

the copyright holder of this work, hereby publish it under the following license: English SiO2 with polystyrene determination method or standard: SHA-1...

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File:Quartz, Tibet.jpg
Senin, 2025-10-13 11:11:41

křišťálu, čiré odrůdy křemene; z chemického hlediska se jedná o oxid křemičitý (SiO2). V dávných dobách lidé věřili, že křišťál je jakýmsi zkamenělým druhem ledu...

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File:High-efficient fabrication of core-shell-shell structured SiO2@GdPO4 - Tb@SiO2 nanoparticles with improved luminescence.pdf
Selasa, 2026-03-17 16:26:55

DescriptionHigh-efficient fabrication of core-shell-shell structured SiO2@GdPO4 - Tb@SiO2 nanoparticles with improved luminescence.pdf English: Bai, He; Yang...

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File:TiO2–SiO2 supported MnWOx catalysts by liquid-phase deposition for low-temperature NH3-SCR.pdf
Minggu, 2025-04-20 04:43:07

DescriptionTiO2–SiO2 supported MnWOx catalysts by liquid-phase deposition for low-temperature NH3-SCR.pdf English: Lu, Weizhe; Lu, Hanfeng; Zhang, Zekai...

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File:Кварц "сотовый".jpg
Sabtu, 2026-05-16 19:57:11

4.0 truetrue English Quartz "Honeycomb" (SiO2) Spanish Cuarzo "Panal" (SiO2) Russian Кварц “сотовый" (SiO2) author name string: Горбунова М.С. Wikimedia...

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File:TAS diagram CLAIR db 1978 basalt distribution ru.svg
Jumat, 2026-05-08 01:21:13

Percentage frequency distribution diagram against the parameters Na2O + K2O vs. SiO2 for basalt. Plot from CLAIR package Russian Плотность распределения образцов...

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File:Preparation, characterization and luminescence properties of core–shell ternary terbium composites SiO2(600)@Tb(MABA-Si)•L.pdf
Minggu, 2025-04-20 02:09:30

luminescence properties of core–shell ternary terbium composites SiO2(600)@Tb(MABA-Si)•L.pdf English: Ma, Yang-Yang; Li, Wen-Xian; Zheng, Yu-Shan; Bao...

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File:A-quartz.png
Senin, 2023-07-03 01:03:36

Rotella F.J. (1982). "Crystal structure and thermal expansion of a-quartz SiO2 at low temperature". Journal of Applied Physics 53: 6751-6756. English French...

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File:Кварц с полевым шпатом.jpg
Sabtu, 2026-05-16 19:57:26

truetrue English Quartz (SiO2) with feldspar. Collected by Mokrusha, Murzinka. From the Urals, Russia. Orlov Egor 191 Spanish Cuarzo (SiO2) con feldespato. Recogido...

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File:OxidizedSiliconWafer.jpg
Rabu, 2026-03-11 22:06:35

English Single crystal silicon wafer which has been oxidized with ~30 nm of SiO2 and selectively etched bare in grey regions object of statement has role:...

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File:The cell uptake properties and hyperthermia performance of Zn0.5Fe2.5O4-SiO2 nanoparticles as magnetic hyperthermia agents.pdf
Minggu, 2025-04-20 03:46:53

DescriptionThe cell uptake properties and hyperthermia performance of Zn0.5Fe2.5O4-SiO2 nanoparticles as magnetic hyperthermia agents.pdf English: Wang, Runsheng;...

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File:Quartz, a type of Minerals.jpg
Senin, 2025-06-16 04:53:12

English Quartz is a hard, crystalline mineral composed of silicon dioxide (SiO2). It is one of the most abundant minerals on Earth and can be found in various...

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File:SiO2 Quartz extra-O.svg
Minggu, 2025-05-04 12:19:59

following license: This image is a derivative work of the following images: File:SiO²_Quartz.svg licensed with PD-self, PD-self/de 2009-12-31T10:36:57Z Matthias...

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File:Improving anti-infrared radiation and heat insulation by potassium hexatitanate whisker-doped Al2O3–SiO2 composite xerogel.pdf
Sabtu, 2025-04-19 06:11:17

radiation and heat insulation by potassium hexatitanate whisker-doped Al2O3–SiO2 composite xerogel.pdf English: Furong, Liang; Weijun, Liu; Xiuxiu, Han; Boru...

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File:Silica-extra-O.svg
Kamis, 2022-06-02 22:05:55

bonding of SiO4 2008-05-24T19:07:33Z Wimmel 474x496 (204437 Bytes) {{Information |Description=The amorphous structure of glassy Silica (SiO2). (svg version)...

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File:Exoplanet WASP-17 b (MIRI Transmission Spectrum) (2023-140).png
Minggu, 2025-08-03 17:28:05

12-13, 2023, reveals the first evidence for quartz (crystalline silica, SiO2) in the clouds of an exoplanet. determination method or standard: work of...

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File:Dielectric and energy storage properties of Bi2O3-B2O3-SiO2 doped Ba0.85Ca0.15Zr0.1Ti0.9O3 lead-free glass-ceramics.pdf
Rabu, 2026-04-29 11:34:58

DescriptionDielectric and energy storage properties of Bi2O3-B2O3-SiO2 doped Ba0.85Ca0.15Zr0.1Ti0.9O3 lead-free glass-ceramics.pdf English: Chen, Yaohui;...

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File:Mineralogy igneous rocks SV.svg
Rabu, 2020-09-09 20:16:12

|Description=Mineralogical composition of igneous rocks with decreasing silica (SiO2) content. The rock names for volcanic/extrusive and plutonic/intrusive rocks...

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File:Basalt rhyolite series devision into low medium and high K types ru.svg
Jumat, 2026-03-27 11:35:36

into low-K, medium-K and high-K types Russian Подразделение базальтов (с SiO2 > 48 %), андезибазальтов, андезитов, дацитов и риолитов на низко-, умеренно-...

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File:PIA16572-MarsCuriosityRover-RoverSoils-20121203.jpg
Selasa, 2025-12-09 01:36:36

English Martian soil compositions. Note that the SiO2 and FeO numbers have been divided by 10 and the Ni, Zn, and Br numbers have been multiplied by 100...

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File:Mineraly.sk - tridymit.jpg
Kamis, 2025-12-11 20:54:00

locality: Slovakia: Vranov SiO2 de:Tridymit en:Tridymite sk:Tridymit Source: http://www.mineraly.sk , permission details on sk:Wikipédia:Zdroje/mineraly...

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File:Mineraly.sk - ferberit.jpg
Sabtu, 2022-11-12 07:42:45

Slovakia: stará baňa medzi Rochovcami a Ochtinou Slovenčina: Slovensky: achát SiO2 Source: http://www.mineraly.sk , permission details on sk:Wikipédia:Zdroje/mineraly...

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File:Mineraly.sk - jaspis.jpg
Kamis, 2020-10-01 15:33:15

Slovakia: Sklené Teplice, Štiavnické vrchy Slovenčina: Slovensky: jaspis SiO2 Source: http://www.mineraly.sk , permission details on sk:Wikipédia:Zdroje/mineraly...

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File:CaO-Al2O3-SiO2-phase-diagram-greek.svg
Kamis, 2024-01-25 05:58:56

bytes) {{Πληροφορίες εικόνας |Περιγραφή=Τριμερές [[διάγραμμα φάσεων]] CaO–SiO<sub>2</sub>–Al<sub>2</sub>O<sub>3</sub>. |Πηγή=Πληροφορίες από ''Phase Equilibrium...

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File:Mineraly.sk - kremen.jpg
Jumat, 2025-12-05 04:01:38

locality: Slovakia: Banská Belá, Štiavnické vrchy Slovenčina: Slovensky: Kremeň SiO2 Source: http://www.mineraly.sk , permission details on sk:Wikipédia:Zdroje/mineraly...

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File:Mineraly.sk - chalcedon.jpg
Rabu, 2025-01-08 05:14:36

Slovakia: Bartošova Lehôtka, Kremnické vrchy Slovenčina: Slovensky: chalcedón SiO2 Source: http://www.mineraly.sk , permission details on sk:Wikipédia:Zdroje/mineraly...

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File:Mineraly.sk - ametyst.jpg
Rabu, 2025-01-01 05:05:41

Deutsch: Amethyst English: English: amethyst Slovenčina: Slovensky: ametyst SiO2 Source: http://www.mineraly.sk , permission details on sk:Wikipédia:Zdroje/mineraly...

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File:Mineraly.sk - opal.jpg
Sabtu, 2025-11-01 04:39:57

Slovakia: Šášovské podhradie, Štiavnické vrchy Slovenčina: Slovensky: opál SiO2.nH2O Source: http://www.mineraly.sk , permission details on sk:Wikipédia:Zdroje/mineraly...

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File:Mineraly.sk - kremen zezlovity.jpg
Minggu, 2024-07-14 17:12:09

Slovakia: Šobov, Štiavnické vrchy Slovenčina: Slovensky: Kremeň žezlovitý SiO2 Source: http://www.mineraly.sk , permission details on sk:Wikipédia:Zdroje/mineraly...

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File:Mineraly.sk - hyalit.jpg
Rabu, 2025-07-09 15:22:02

locality: Slovakia: Krupina, Štiavnické vrchy Slovenčina: Slovensky: hyalit SiO2.nH2O Source: http://www.mineraly.sk , permission details on sk:Wikipédia:Zdroje/mineraly...

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File:Mineraly.sk - achat.jpg
Selasa, 2024-07-23 11:59:23

Nederlands: Agaat Polski: Agat Português: Ágata Русский: Агат Slovenščina: Ahat SiO2 Source: http://www.mineraly.sk , permission details on sk:Wikipédia:Zdroje/mineraly...

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File:BeF2 glass.svg
Senin, 2025-03-24 04:07:25

bonding of SiO4 2008-05-24T19:07:33Z Wimmel 474x496 (204437 Bytes) {{Information |Description=The amorphous structure of glassy Silica (SiO2). (svg version)...

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File:Phase equilibria in the system SiO2-ZnO-Al2O3 (IA phaseequilibriai82279bunt).pdf
Jumat, 2025-07-18 09:10:31

Phase equilibria in the system SiO2-ZnO-Al2O3   (  ) Author Bunting, E.N. Title Phase equilibria in the system SiO2-ZnO-Al2O3 Volume Bureau of Standards...

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File:Some energy relations in the systems PbO-B2O3 and PbO-SiO2 (IA jresv40n6p471).pdf
Sabtu, 2021-10-30 02:00:34

PbO-B2O3 and PbO-SiO2   (  ) Author Shartsis, Leo Newman, Edwin S. Title Some energy relations in the systems PbO-B2O3 and PbO-SiO2 Volume 40 Publisher...

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File:THE LARGE BULLETPROOF GLASS 2015.jpg
Selasa, 2024-10-01 00:14:16

4.0 truetrue English Documentation from the exhibition ONUFRI XXI, 2015 SiO2 The Reason of Fragility National Gallery of Art, Tirana, Albania Year 2015...

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File:MTJ with Transparent Background.png
Rabu, 2025-10-08 18:36:09

Attribution 4.0 truetrue English A magnetic tunnel junction (MTJ) with the SiO2 dielectric insulator removed for clarity (transparent background) rendered...

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File:Composition of cloud particles - hot gas giant exoplanet WASP-17b (WASP17b).jpg
Minggu, 2025-08-03 17:20:44

March 2023. It reveals the first evidence for quartz (crystalline silica, SiO2) in the clouds of an exoplanet. determination method or standard: SHA-1 described...

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File:Composition of cloud particles - hot gas giant exoplanet WASP-17b (WASP17b).tiff
Minggu, 2025-08-03 17:20:49

March 2023. It reveals the first evidence for quartz (crystalline silica, SiO2) in the clouds of an exoplanet. determination method or standard: SHA-1 described...

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File:Sílice SiO2.png
Minggu, 2024-03-31 15:40:34

DescriptionSílice SiO2.png Español: Sílice SiO2 Date 5 December 2023 Source Own work Author Estebanillo...

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File:Variazione SiO2.svg
Senin, 2025-12-08 23:01:38

(considerare che si tratta di tendenze che in molti casi possono subire variazioni). Man mano che il magma cristallizza, all'aumentare della SiO2, diminuiscono...

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File:SiO2.svg
Rabu, 2020-11-04 15:03:10

DescriptionSiO2.svg Deutsch: Siliziumdioxid Date 3 March 2010 Source Roland1952 Author Roland Mattern...

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File:SiO2 1.jpg
Sabtu, 2021-01-16 02:10:02

File:SiO² Quartz.svg is a vector version of this file. It should be used in place of this JPG file when not inferior. File:SiO2 1.jpg → File:SiO² Quartz...

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File:Chiral SiO2.png
Kamis, 2024-02-29 16:37:09

DescriptionChiral SiO2.png English: Chiral silica(SiO2) using Scanning Electron Microscopy (SEM), synthesized via the method proposed by Giung-Ling Lin...

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File:SiO2 red.png
Jumat, 2024-12-27 05:18:13

DescriptionSiO2 red.png Español: SiO2 red Date 8 December 2023 Source Own work Author Esteban Moya Morales...

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File:Density on Temperature.svg
Selasa, 2026-04-21 13:00:13

(17927 bytes) M.I. Ozhovan. Topological characteristics of bonds in SiO2 and GeO2 oxide systems at glass-liquid transition. J. Exp. Theor. Phys., 103...

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File:Padova - Museo della Natura e dell'Uomo - 2025-09-28 21-40-21 003.JPG
Kamis, 2026-01-08 13:29:00

Creative Commons Attribution-Share Alike 4.0 truetrue English Hyaline quartz (SiO2) - Minas Gerais, Brazil - Museum Collection author name string: Annika_of_Nine...

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File:Krystalové modifikace SiO2.png
Jumat, 2025-11-21 11:01:21

DescriptionKrystalové modifikace SiO2.png Čeština: přechody mezi nejběžnějšími krystalickými modifikacemi SiO2 Date 28 November 2011 Source Own work Author...

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File:Agate SiO2 (50657211051).jpg
Kamis, 2024-05-23 19:14:32

DescriptionAgate SiO2 (50657211051).jpg agate SiO2 locality: unknown photo (c) 2020 Jan Helebrant <a href="http://www.juhele.blogspot.com" rel="noreferrer...

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File:SiO2 Reaction Mechanism.png
Senin, 2025-10-13 04:34:58

DescriptionSiO2 Reaction Mechanism.png English: Proposed Mechanism of Lewis base catalysis of SiO2 ALD during a) an SiCl4 reaction and b) an H2O reaction...

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File:SiO2 - Glas - 2D.png
Jumat, 2020-09-11 12:33:35

DescriptionSiO2 - Glas - 2D.png SiO2 as glas. 2D model. Source File:SiO2 - Glas - 2D.png Author User:127.0.0.l Other versions Derivative works of this...

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File:Jasper - SiO2 (25837186810).jpg
Minggu, 2025-12-14 01:46:32

DescriptionJasper - SiO2 (25837186810).jpg jasper - SiO2 locality: ?, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode.cz"...

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File:Quartz - SiO2 (25837824080).jpg
Selasa, 2024-10-15 17:59:30

DescriptionQuartz - SiO2 (25837824080).jpg quartz - SiO2 locality: Stříbro, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate SiO2 (25837184260).jpg
Selasa, 2024-10-15 17:59:24

DescriptionAgate SiO2 (25837184260).jpg agate SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate - SiO2 (33584091215).jpg
Jumat, 2024-06-21 04:28:38

DescriptionAgate - SiO2 (33584091215).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Agate SiO2 (33584096545).jpg
Jumat, 2024-09-06 23:06:28

DescriptionAgate SiO2 (33584096545).jpg agate SiO2 locality: Zaječov near Příbram, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele...

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File:Quartz SiO2 (10963047644).jpg
Rabu, 2024-09-11 14:56:35

DescriptionQuartz SiO2 (10963047644).jpg quartz SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate SiO2 (26084095126).jpg
Selasa, 2024-06-25 16:04:40

DescriptionAgate SiO2 (26084095126).jpg agate SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Chalcedony SiO2 (26017789042).jpg
Selasa, 2024-10-15 17:59:28

DescriptionChalcedony SiO2 (26017789042).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Agate SiO2 (50656479393).jpg
Kamis, 2024-08-29 21:15:42

DescriptionAgate SiO2 (50656479393).jpg agate SiO2 locality: unknown photo (c) 2020 Jan Helebrant <a href="http://www.juhele.blogspot.com" rel="noreferrer...

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File:Coesite.png
Minggu, 2024-03-24 15:07:20

Materialscientist 758×582× (129595 bytes) {{Information |Description = coesite (SiO2), red atoms are oxygens |Source = I (~~~) created this work entirely by myself...

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File:Agate - SiO2 (25545070888).jpg
Rabu, 2024-05-22 03:22:55

DescriptionAgate - SiO2 (25545070888).jpg agate - SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (38887674340).jpg
Jumat, 2024-07-05 18:43:55

DescriptionQuartz - SiO2 (38887674340).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (26043985661).jpg
Selasa, 2024-10-15 17:59:26

DescriptionQuartz - SiO2 (26043985661).jpg quartz - SiO2 locality: Svatý Ján, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (26017803452).jpg
Senin, 2024-09-09 19:25:10

DescriptionQuartz - SiO2 (26017803452).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Flint SiO2 (13403355285).jpg
Jumat, 2024-06-21 16:09:44

DescriptionFlint SiO2 (13403355285).jpg flint SiO2 locality: France photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode.cz" rel="nofollow">www...

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File:Jasper - SiO2 (42715732861).jpg
Selasa, 2024-07-16 22:22:15

DescriptionJasper - SiO2 (42715732861).jpg jasper - SiO2 locality: Únětice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Agate - SiO2 (26110661585).jpg
Minggu, 2024-07-07 22:35:21

DescriptionAgate - SiO2 (26110661585).jpg agate - SiO2 locality: Vidochov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz SiO2 (10963045814).jpg
Selasa, 2024-10-15 17:58:30

DescriptionQuartz SiO2 (10963045814).jpg quartz SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Chalcedony SiO2 (24322909894).jpg
Jumat, 2024-06-21 02:11:38

DescriptionChalcedony SiO2 (24322909894).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Chalcedony SiO2 (13403502275).jpg
Selasa, 2024-10-22 16:23:29

DescriptionChalcedony SiO2 (13403502275).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Agate SiO2 (42668013592).jpg
Rabu, 2024-05-22 14:46:44

DescriptionAgate SiO2 (42668013592).jpg agate SiO2 locality: Kozákov - Votrubcův lom, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Quartz SiO2 (24322898804).jpg
Selasa, 2024-10-22 16:24:17

DescriptionQuartz SiO2 (24322898804).jpg quartz SiO2, pseudomorphosis after calcite locality: Těškov, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Quartz - SiO2 (40698160761).jpg
Rabu, 2024-05-22 14:17:25

DescriptionQuartz - SiO2 (40698160761).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Chalcedony SiO2 (24927231226).jpg
Minggu, 2024-07-07 22:35:11

DescriptionChalcedony SiO2 (24927231226).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Quartz - SiO2 (33455129641).jpg
Selasa, 2024-10-22 16:23:54

DescriptionQuartz - SiO2 (33455129641).jpg quartz - SiO2 locality: Hostákov, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Chalcedony SiO2 (33427520972).jpg
Senin, 2024-07-15 19:52:47

DescriptionChalcedony SiO2 (33427520972).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Quartz - SiO2 (39802913755).jpg
Selasa, 2024-10-15 17:59:16

DescriptionQuartz - SiO2 (39802913755).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (40655579142).jpg
Senin, 2024-07-29 12:18:51

DescriptionQuartz - SiO2 (40655579142).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Agate - SiO2 (25508048413).jpg
Kamis, 2024-05-23 17:18:34

DescriptionAgate - SiO2 (25508048413).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:SiO2 Li2O de.GIF
Senin, 2021-09-27 18:41:44

DescriptionSiO2 Li2O de.GIF Deutsch: Liquidustemperaturverlauf im binären Glassystem SiO2-Li2O Date 15 January 2007 Source selbst entworfen auf Grundlage...

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File:Cassiterite SnO2, quartz SiO2 (13403363375).jpg
Selasa, 2024-10-15 17:58:34

DescriptionCassiterite SnO2, quartz SiO2 (13403363375).jpg cassiterite SnO2, quartz SiO2 locality: Horní Slavkov, Czech Republic photo (c) 2013 Jan Helebrant...

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File:Cassiterite SnO2, quartz SiO2 (20245759812).jpg
Selasa, 2024-10-15 17:59:17

DescriptionCassiterite SnO2, quartz SiO2 (20245759812).jpg cassiterite SnO2, quartz SiO2 locality: Horní Slavkov, Czech Republic photo (c) 2015 Jan Helebrant...

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File:Agate SiO2 (26043673091).jpg
Sabtu, 2025-05-24 21:17:23

DescriptionAgate SiO2 (26043673091).jpg chalcedony SiO2 locality: Doubravice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:SiO2 ins.jpg
Sabtu, 2026-04-11 21:10:33

DescriptionSiO2 ins.jpg 日本語: Amorphous silicon thin-film transistor with SiO2 insulator投稿者本人による作成 Source Own work Author Galaksiafervojo...

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File:Agate SiO2 (13403503475).jpg
Selasa, 2024-10-22 16:23:29

DescriptionAgate SiO2 (13403503475).jpg agate SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (25837472010).jpg
Jumat, 2024-07-05 18:44:04

DescriptionQuartz - SiO2 (25837472010).jpg quartz - SiO2 locality: Svatý Ján, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate SiO2 (26110022005).jpg
Senin, 2024-06-24 22:03:51

DescriptionAgate SiO2 (26110022005).jpg agate SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate - SiO2 (26018138142).jpg
Senin, 2024-09-09 19:25:17

DescriptionAgate - SiO2 (26018138142).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Agate SiO2 (33455124201).jpg
Selasa, 2024-06-25 18:06:25

DescriptionAgate SiO2 (33455124201).jpg agate SiO2 locality: Zaječov near Příbram, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele...

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File:Quartz - SiO2 (24835547472).jpg
Sabtu, 2025-12-13 17:57:52

DescriptionQuartz - SiO2 (24835547472).jpg quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz SiO2 (11185968206).jpg
Rabu, 2026-01-07 06:45:04

DescriptionQuartz SiO2 (11185968206).jpg quartz SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate SiO2 (26084088796).jpg
Minggu, 2024-07-07 22:35:12

DescriptionAgate SiO2 (26084088796).jpg agate SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (26110686325).jpg
Rabu, 2024-05-22 13:42:24

DescriptionQuartz - SiO2 (26110686325).jpg quartz - SiO2 locality: Stříbro, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz SiO2 (24927212476).jpg
Selasa, 2024-10-15 17:59:23

DescriptionQuartz SiO2 (24927212476).jpg quartz SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (33455123221).jpg
Selasa, 2024-10-15 17:59:03

DescriptionQuartz - SiO2 (33455123221).jpg quartz - SiO2 locality: Szklary, Poland photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Quartz - SiO2 (33584093905).jpg
Rabu, 2025-10-15 05:40:06

DescriptionQuartz - SiO2 (33584093905).jpg quartz - SiO2 locality: Szklary, Poland photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Quartz SiO2 (11185986924).jpg
Selasa, 2024-05-21 21:59:22

DescriptionQuartz SiO2 (11185986924).jpg quartz SiO2 locality: Kremnica, Slovakia photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode.cz" rel="nofollow">www...

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File:Agate - SiO2 (40653759442).jpg
Selasa, 2024-10-15 17:59:10

DescriptionAgate - SiO2 (40653759442).jpg agate - SiO2 locality: probably Brasil photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Chalcedony SiO2 (25505258804).jpg
Selasa, 2024-10-15 17:59:25

DescriptionChalcedony SiO2 (25505258804).jpg chalcedony SiO2 locality: Rudice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (27633643859).jpg
Jumat, 2024-06-21 02:28:47

DescriptionQuartz - SiO2 (27633643859).jpg quartz - SiO2 locality: Stříbro, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (39802853335).jpg
Minggu, 2024-07-07 22:35:04

DescriptionQuartz - SiO2 (39802853335).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz SiO2 (24860181871).jpg
Senin, 2024-09-09 19:25:04

DescriptionQuartz SiO2 (24860181871).jpg quartz SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Cassiterite SnO2, quartz SiO2 (29601871553).jpg
Senin, 2024-07-01 23:03:07

DescriptionCassiterite SnO2, quartz SiO2 (29601871553).jpg cassiterite SnO2, quartz SiO2 locality: Horní Slavkov, Czech Republic photo (c) 2016 Jan Helebrant...

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File:Quartz - SiO2 (24835598292).jpg
Kamis, 2024-05-23 16:02:47

DescriptionQuartz - SiO2 (24835598292).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate SiO2 (25507410343).jpg
Jumat, 2024-07-05 18:44:00

DescriptionAgate SiO2 (25507410343).jpg agate SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (24927271526).jpg
Selasa, 2024-10-22 16:24:15

DescriptionQuartz - SiO2 (24927271526).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate - SiO2 (38885694490).jpg
Jumat, 2024-06-28 17:59:53

DescriptionAgate - SiO2 (38885694490).jpg agate - SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz SiO2 (24953492145).jpg
Jumat, 2025-05-02 22:12:22

DescriptionQuartz SiO2 (24953492145).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele...

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File:Agate - SiO2 (26017796322).jpg
Rabu, 2024-06-26 23:34:45

DescriptionAgate - SiO2 (26017796322).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Agate - SiO2 (26017796692).jpg
Selasa, 2024-06-25 16:07:46

DescriptionAgate - SiO2 (26017796692).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Quartz SiO2 (24927204196).jpg
Selasa, 2024-06-25 16:59:13

DescriptionQuartz SiO2 (24927204196).jpg quartz SiO2, pseudomorphosis after calcite locality: Těškov, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Quartz SiO2 (11185978264).jpg
Jumat, 2026-04-24 04:14:38

DescriptionQuartz SiO2 (11185978264).jpg quartz SiO2 locality: Doubravice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz SiO2 (11186001865).jpg
Jumat, 2025-05-09 02:02:45

DescriptionQuartz SiO2 (11186001865).jpg quartz SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Jasper - SiO2 (26017498282).jpg
Jumat, 2024-06-21 12:51:10

DescriptionJasper - SiO2 (26017498282).jpg jasper - SiO2 locality: ?, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode.cz"...

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File:Agate SiO2 (29177526557).jpg
Jumat, 2024-09-06 23:06:20

DescriptionAgate SiO2 (29177526557).jpg agate SiO2 locality: Podkrkonoší-, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Chalcedony SiO2 (25837480300).jpg
Senin, 2024-07-01 18:28:44

DescriptionChalcedony SiO2 (25837480300).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Quartz - SiO2 (26084395966).jpg
Minggu, 2026-04-12 00:21:03

DescriptionQuartz - SiO2 (26084395966).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Jasper - SiO2 (26084092966).jpg
Minggu, 2025-06-01 18:33:38

DescriptionJasper - SiO2 (26084092966).jpg jasper - SiO2 locality: ?, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode.cz"...

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File:Agate - SiO2 (27637917679).jpg
Senin, 2024-07-15 19:52:52

DescriptionAgate - SiO2 (27637917679).jpg agate - SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (39987962464).jpg
Sabtu, 2024-08-17 00:53:29

DescriptionQuartz - SiO2 (39987962464).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Agate - SiO2 (38707159544).jpg
Selasa, 2024-05-21 21:52:08

DescriptionAgate - SiO2 (38707159544).jpg agate - SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Carnelian SiO2 (26043668421).jpg
Jumat, 2024-09-06 23:06:45

DescriptionCarnelian SiO2 (26043668421).jpg carnelian SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele...

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File:Chalcedony SiO2 (24326655513).jpg
Jumat, 2024-06-21 02:12:06

DescriptionChalcedony SiO2 (24326655513).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Agate SiO2 (25505266754).jpg
Senin, 2024-09-09 19:25:06

DescriptionAgate SiO2 (25505266754).jpg agate SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (26017792702).jpg
Senin, 2024-09-09 19:25:12

DescriptionQuartz - SiO2 (26017792702).jpg quartz - SiO2 locality: Slavkov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (26084393536).jpg
Selasa, 2025-11-04 12:05:18

DescriptionQuartz - SiO2 (26084393536).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz SiO2 (13403740203).jpg
Selasa, 2024-10-15 17:58:41

DescriptionQuartz SiO2 (13403740203).jpg quartz SiO2 locality: Rožná, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode.cz"...

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File:Agate SiO2 (26110021635).jpg
Kamis, 2024-06-20 22:51:01

DescriptionAgate SiO2 (26110021635).jpg agate SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Chalcedony SiO2 (13403858664).jpg
Jumat, 2026-05-01 12:52:11

DescriptionChalcedony SiO2 (13403858664).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Quartz - SiO2 (26018158752).jpg
Selasa, 2024-10-22 16:24:30

DescriptionQuartz - SiO2 (26018158752).jpg quartz - SiO2 locality: Hostákov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz SiO2 (24658004110).jpg
Senin, 2025-11-10 23:13:20

DescriptionQuartz SiO2 (24658004110).jpg quartz SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Chalcedony (SiO2) (10974857293).jpg
Selasa, 2024-06-25 21:56:29

DescriptionChalcedony (SiO2) (10974857293).jpg chalcedony (SiO2) locality: Dolní Olešnice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Quartz - SiO2 (32770043533).jpg
Senin, 2024-07-01 23:03:09

DescriptionQuartz - SiO2 (32770043533).jpg quartz - SiO2 locality: Stříbro, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (27633639229).jpg
Selasa, 2024-10-22 16:24:00

DescriptionQuartz - SiO2 (27633639229).jpg quartz - SiO2 locality: Stří-bro, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (24322927924).jpg
Jumat, 2026-02-13 03:38:57

DescriptionQuartz - SiO2 (24322927924).jpg quartz - SiO2 locality: Rudice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate - SiO2 (25505564684).jpg
Senin, 2024-07-01 18:29:08

DescriptionAgate - SiO2 (25505564684).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Quartz SiO2 (11186088903).jpg
Minggu, 2024-07-07 22:34:15

DescriptionQuartz SiO2 (11186088903).jpg quartz SiO2 locality: Teškov, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode.cz"...

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File:Chalcedony SiO2 (11185933025).jpg
Jumat, 2024-06-21 05:06:47

DescriptionChalcedony SiO2 (11185933025).jpg chalcedony SiO2 locality: Doubravice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele...

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File:Agate - SiO2 (24549003507).jpg
Senin, 2024-09-09 19:24:48

DescriptionAgate - SiO2 (24549003507).jpg agate - SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (27633648899).jpg
Selasa, 2024-10-15 17:59:06

DescriptionQuartz - SiO2 (27633648899).jpg quartz - SiO2 locality: Stříbro, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz SiO2 (10962874335).jpg
Senin, 2024-07-15 19:52:19

DescriptionQuartz SiO2 (10962874335).jpg quartz SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Carnelian SiO2 (24658007600).jpg
Jumat, 2024-06-21 04:36:16

DescriptionCarnelian SiO2 (24658007600).jpg carnelian SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele...

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File:Quartz - SiO2 (26018159072).jpg
Selasa, 2026-03-03 12:28:19

DescriptionQuartz - SiO2 (26018159072).jpg quartz - SiO2 locality: Hostákov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Cassiterite SnO2, quartz SiO2 (20067457899).jpg
Jumat, 2024-09-06 23:06:41

DescriptionCassiterite SnO2, quartz SiO2 (20067457899).jpg cassiterite SnO2, quartz SiO2 locality: Horní Slavkov, Czech Republic photo (c) 2015 Jan Helebrant...

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File:Agate - SiO2 (25508048693).jpg
Minggu, 2024-07-07 22:35:21

DescriptionAgate - SiO2 (25508048693).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Cassiterite SnO2, quartz SiO2 (29601125844).jpg
Rabu, 2024-06-26 19:20:06

DescriptionCassiterite SnO2, quartz SiO2 (29601125844).jpg cassiterite SnO2, quartz SiO2 locality: Horní Slavkov, Czech Republic photo (c) 2016 Jan Helebrant...

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File:Agate - SiO2 (25825046567).jpg
Minggu, 2024-07-07 22:34:58

DescriptionAgate - SiO2 (25825046567).jpg agate - SiO2 locality: probably Brasil photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Quartz - SiO2 (33584094765).jpg
Selasa, 2026-01-06 01:41:57

DescriptionQuartz - SiO2 (33584094765).jpg quartz - SiO2 locality: Szklary, Poland photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Tetraethyl orthosilicate 200.svg
Kamis, 2025-04-03 14:56:53

orthosilicate Tetraethyl silicate Tetraethyl Silicate Tetrmuthoxysilane WLN: 2O-SI-O2&O2&O2 English author name string: Emeldir Wikimedia username: Emeldir URL:...

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File:Agate SiO2 (44066367262).jpg
Selasa, 2024-10-15 17:58:56

DescriptionAgate SiO2 (44066367262).jpg agate SiO2 locality: Podkrkonoší-, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (26084395596).jpg
Selasa, 2024-10-22 16:24:26

DescriptionQuartz - SiO2 (26084395596).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (40655570852).jpg
Selasa, 2024-09-03 17:43:56

DescriptionQuartz - SiO2 (40655570852).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Carnelian SiO2 (26043666051).jpg
Rabu, 2024-05-22 13:30:24

DescriptionCarnelian SiO2 (26043666051).jpg carnelian SiO2 locality: Doubravice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele...

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File:Agate - SiO2 (26084388896).jpg
Selasa, 2024-10-15 17:59:27

DescriptionAgate - SiO2 (26084388896).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Chalcedony SiO2 (11185931915).jpg
Jumat, 2024-06-21 12:46:18

DescriptionChalcedony SiO2 (11185931915).jpg chalcedony SiO2 locality: Doubravice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele...

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File:Quartz SiO2 (11185944105).jpg
Rabu, 2024-12-25 02:38:45

DescriptionQuartz SiO2 (11185944105).jpg quartz SiO2 locality: Kremnica, Slovakia photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode.cz" rel="nofollow">www...

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File:Quartz - SiO2 (33455122791).jpg
Rabu, 2024-05-22 22:08:28

DescriptionQuartz - SiO2 (33455122791).jpg quartz - SiO2 locality: Szklary, Poland photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:SiO2 2.jpg
Sabtu, 2026-02-21 06:19:18

file. It should be used in place of this JPG file when not inferior. File:SiO2 2.jpg → File:Silica.svg For more information, see Help:SVG. In other languages...

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File:Chalcedony SiO2 (11186084483).jpg
Rabu, 2024-06-26 23:37:36

DescriptionChalcedony SiO2 (11186084483).jpg chalcedony SiO2 locality: Doubravice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele...

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File:Quartz SiO2 (13403741743).jpg
Selasa, 2024-10-15 17:58:40

DescriptionQuartz SiO2 (13403741743).jpg quartz SiO2 locality: Rožná, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode.cz"...

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File:Agate SiO2 (26017495502).jpg
Kamis, 2024-06-20 22:58:09

DescriptionAgate SiO2 (26017495502).jpg agate SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Chalcedony SiO2 (24860200871).jpg
Jumat, 2024-06-21 03:38:09

DescriptionChalcedony SiO2 (24860200871).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Agate SiO2 (25505268894).jpg
Senin, 2024-09-09 19:25:06

DescriptionAgate SiO2 (25505268894).jpg agate SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (20227814856).jpg
Jumat, 2024-07-05 18:43:57

DescriptionQuartz - SiO2 (20227814856).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (26043957091).jpg
Selasa, 2024-10-15 17:59:30

DescriptionQuartz - SiO2 (26043957091).jpg quartz - SiO2 locality: Hostákov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Chalcedony SiO2 (24326658683).jpg
Selasa, 2024-10-15 17:59:22

DescriptionChalcedony SiO2 (24326658683).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Quartz SiO2 (24953485435).jpg
Selasa, 2024-10-22 16:24:18

DescriptionQuartz SiO2 (24953485435).jpg quartz SiO2, pseudomorphosis after calcite locality: Těškov, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Agate - SiO2 (25837487170).jpg
Selasa, 2024-10-15 17:59:27

DescriptionAgate - SiO2 (25837487170).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Quartz SiO2 (11186151953).jpg
Sabtu, 2026-03-21 22:23:10

DescriptionQuartz SiO2 (11186151953).jpg quartz SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz SiO2 (10962867055).jpg
Jumat, 2024-06-21 02:30:23

DescriptionQuartz SiO2 (10962867055).jpg quartz SiO2 locality: ? photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode.cz" rel="nofollow">www...

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File:Quartz - SiO2 (40655568662).jpg
Selasa, 2024-10-22 16:24:10

DescriptionQuartz - SiO2 (40655568662).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Chalcedony SiO2 (24658010720).jpg
Senin, 2024-09-09 19:25:03

DescriptionChalcedony SiO2 (24658010720).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Quartz - SiO2 (32741304534).jpg
Minggu, 2025-10-26 04:35:13

DescriptionQuartz - SiO2 (32741304534).jpg quartz - SiO2 locality: Hostákov, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (40655671632).jpg
Rabu, 2025-12-24 09:08:39

DescriptionQuartz - SiO2 (40655671632).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Agate SiO2 (25505269264).jpg
Senin, 2024-07-01 18:28:38

DescriptionAgate SiO2 (25505269264).jpg agate SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (26084373786).jpg
Selasa, 2025-09-16 21:23:47

DescriptionQuartz - SiO2 (26084373786).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Chalcedony SiO2 (13403660063).jpg
Selasa, 2024-10-15 17:58:36

DescriptionChalcedony SiO2 (13403660063).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Agate SiO2 (29177520627).jpg
Kamis, 2024-06-27 01:06:42

DescriptionAgate SiO2 (29177520627).jpg agate SiO2 locality: Podkrkonoší-, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Agate - SiO2 (26017794802).jpg
Selasa, 2024-10-15 17:59:28

DescriptionAgate - SiO2 (26017794802).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Agate - SiO2 (26018139202).jpg
Selasa, 2024-10-22 16:24:33

DescriptionAgate - SiO2 (26018139202).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Quartz SiO2 (13403971974).jpg
Minggu, 2024-07-07 22:34:24

DescriptionQuartz SiO2 (13403971974).jpg quartz SiO2 locality: Rožná, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode.cz"...

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File:Quartz - SiO2 (25505570244).jpg
Rabu, 2024-12-04 21:46:00

DescriptionQuartz - SiO2 (25505570244).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz SiO2 (24657997350).jpg
Kamis, 2024-05-23 14:35:28

DescriptionQuartz SiO2 (24657997350).jpg quartz SiO2 locality: Těškov, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele.webnode.cz"...

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File:Quartz - SiO2 (24544989517).jpg
Senin, 2024-07-01 19:32:17

DescriptionQuartz - SiO2 (24544989517).jpg quartz - SiO2 locality: Stříbro, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Agate SiO2 (24860224381).jpg
Selasa, 2024-10-22 16:24:15

DescriptionAgate SiO2 (24860224381).jpg agate SiO2 locality: Doubravice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Chalcedony SiO2 (33455117631).jpg
Selasa, 2024-06-25 19:48:33

DescriptionChalcedony SiO2 (33455117631).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Quartz SiO2 (24835527422).jpg
Minggu, 2024-07-07 22:35:11

DescriptionQuartz SiO2 (24835527422).jpg quartz SiO2, pseudomorphosis after calcite locality: Těškov, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Agate - SiO2 (25825062597).jpg
Senin, 2024-09-09 19:24:52

DescriptionAgate - SiO2 (25825062597).jpg agate - SiO2 locality: probably Brasil photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Quartz SiO2 (10962940936).jpg
Rabu, 2026-01-07 20:42:15

DescriptionQuartz SiO2 (10962940936).jpg quartz SiO2 locality: ? France photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode.cz" rel="nofollow">www...

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File:Quartz SiO2 (10974709456).jpg
Selasa, 2024-10-15 17:58:30

DescriptionQuartz SiO2 (10974709456).jpg quartz SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz SiO2 (11186089563).jpg
Kamis, 2024-05-23 17:18:32

DescriptionQuartz SiO2 (11186089563).jpg quartz SiO2 locality: Doubravice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz SiO2 (24657998430).jpg
Jumat, 2024-06-21 02:21:05

DescriptionQuartz SiO2 (24657998430).jpg quartz SiO2 locality: Těškov, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele.webnode.cz"...

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File:Agate - SiO2 (26084731246).jpg
Rabu, 2024-05-22 01:22:30

DescriptionAgate - SiO2 (26084731246).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Quartz - SiO2 (39988089764).jpg
Kamis, 2025-09-18 05:04:31

DescriptionQuartz - SiO2 (39988089764).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz SiO2 (10962960036).jpg
Jumat, 2024-06-21 02:07:15

DescriptionQuartz SiO2 (10962960036).jpg quartz SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate SiO2 (26017505252).jpg
Selasa, 2024-10-22 16:24:19

DescriptionAgate SiO2 (26017505252).jpg agate SiO2 locality: Kozákov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode.cz"...

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File:Quartz - SiO2 (26043976221).jpg
Sabtu, 2025-07-05 15:45:53

DescriptionQuartz - SiO2 (26043976221).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate - SiO2 (26084387816).jpg
Minggu, 2024-07-07 22:35:16

DescriptionAgate - SiO2 (26084387816).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Agate - SiO2 (26084733106).jpg
Kamis, 2024-06-27 00:40:47

DescriptionAgate - SiO2 (26084733106).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Agate SiO2 (25837180870).jpg
Jumat, 2024-06-21 02:30:53

DescriptionAgate SiO2 (25837180870).jpg agate SiO2 locality: Brazil photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode.cz" rel="nofollow">www...

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File:Agate - SiO2 (39986103394).jpg
Selasa, 2024-06-25 16:19:38

DescriptionAgate - SiO2 (39986103394).jpg agate - SiO2 locality: probably Brasil photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Quartz - SiO2 (38887658520).jpg
Senin, 2024-09-09 19:24:57

DescriptionQuartz - SiO2 (38887658520).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Chalcedony SiO2 (26017789432).jpg
Selasa, 2024-06-25 17:50:11

DescriptionChalcedony SiO2 (26017789432).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Quartz - SiO2 (32770039883).jpg
Selasa, 2024-10-22 16:23:54

DescriptionQuartz - SiO2 (32770039883).jpg quartz - SiO2 locality: Hostákov, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (26017792362).jpg
Rabu, 2025-12-17 00:36:48

DescriptionQuartz - SiO2 (26017792362).jpg quartz - SiO2 locality: Slavkov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate SiO2 (33455124081).jpg
Senin, 2024-07-15 19:52:47

DescriptionAgate SiO2 (33455124081).jpg agate SiO2 locality: Zaječov near Příbram, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele...

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File:Quartz SiO2 (24326656693).jpg
Jumat, 2025-12-12 23:30:46

DescriptionQuartz SiO2 (24326656693).jpg agate, quartz SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Quartz - SiO2 (24835561692).jpg
Minggu, 2024-07-07 22:35:11

DescriptionQuartz - SiO2 (24835561692).jpg quartz - SiO2 locality: Rudice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz SiO2 (11185977706).jpg
Kamis, 2026-01-29 22:30:58

DescriptionQuartz SiO2 (11185977706).jpg quartz SiO2 locality: Doubravice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate - SiO2 (38885757710).jpg
Senin, 2024-07-15 19:52:56

DescriptionAgate - SiO2 (38885757710).jpg agate - SiO2 locality: probably Brasil photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Agate - SiO2 (24548894257).jpg
Jumat, 2024-09-06 23:06:32

DescriptionAgate - SiO2 (24548894257).jpg agate - SiO2 locality: Kozákov, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (25837848840).jpg
Senin, 2024-07-01 20:51:54

DescriptionQuartz - SiO2 (25837848840).jpg quartz - SiO2 locality: Stříbro, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (40698113981).jpg
Rabu, 2024-05-22 14:00:54

DescriptionQuartz - SiO2 (40698113981).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (25505548264).jpg
Selasa, 2024-10-15 17:59:28

DescriptionQuartz - SiO2 (25505548264).jpg quartz - SiO2 locality: Slavkov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (25540814358).jpg
Selasa, 2024-09-03 17:43:49

DescriptionQuartz - SiO2 (25540814358).jpg quartz - SiO2 locality: Stříbro, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (26110331235).jpg
Jumat, 2024-07-05 18:44:05

DescriptionQuartz - SiO2 (26110331235).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (38887780660).jpg
Selasa, 2025-11-04 09:10:50

DescriptionQuartz - SiO2 (38887780660).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:VO2-SiO2 transmittance.png
Sabtu, 2020-09-26 15:20:45

DescriptionVO2-SiO2 transmittance.png Transmittance spectra of a SiO2/VO2 film at 20 C and 90 C, before and after treatment with air for 1 month at room...

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File:Quartz - SiO2 (11169330286).jpg
Rabu, 2024-10-30 19:01:01

DescriptionQuartz - SiO2 (11169330286).jpg quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (11169342036).jpg
Senin, 2024-07-15 19:52:20

DescriptionQuartz - SiO2 (11169342036).jpg quartz - SiO2 locality: Szklary, Poland photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode.cz"...

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File:Quartz SiO2 (10963119393).jpg
Jumat, 2025-02-28 06:19:05

DescriptionQuartz SiO2 (10963119393).jpg quartz SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate - SiO2 (33584091245).jpg
Selasa, 2024-10-22 16:23:57

DescriptionAgate - SiO2 (33584091245).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Agate - SiO2 (26044312961).jpg
Selasa, 2024-10-22 16:24:33

DescriptionAgate - SiO2 (26044312961).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Agate - SiO2 (26043971261).jpg
Senin, 2024-09-09 19:25:11

DescriptionAgate - SiO2 (26043971261).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Quartz - SiO2 (39802856155).jpg
Jumat, 2024-06-21 16:21:17

DescriptionQuartz - SiO2 (39802856155).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Agate SiO2 (25505255354).jpg
Senin, 2026-04-06 01:54:59

DescriptionAgate SiO2 (25505255354).jpg agate SiO2 locality: Frýdštejn, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (24322966804).jpg
Sabtu, 2026-04-11 01:04:07

DescriptionQuartz - SiO2 (24322966804).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (25505551984).jpg
Minggu, 2024-07-07 22:35:18

DescriptionQuartz - SiO2 (25505551984).jpg quartz - SiO2 locality: Hostákov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz SiO2 (24927205266).jpg
Rabu, 2024-05-22 21:43:24

DescriptionQuartz SiO2 (24927205266).jpg quartz SiO2, pseudomorphosis after calcite locality: Těškov, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Agate - SiO2 (38885766970).jpg
Minggu, 2024-07-07 22:34:58

DescriptionAgate - SiO2 (38885766970).jpg agate - SiO2 locality: probably Brasil photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Synthesis SiO2 de.svg
Selasa, 2024-09-10 10:07:29

DescriptionSynthesis SiO2 de.svg English: Synthesis of fumed silica out of sand. Deutsch: Synthese von pyrogenem SiO2 (pyrogener Kieselsäure), ausgehend...

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File:Quartz - SiO2 (33455132771).jpg
Jumat, 2025-11-21 05:01:15

DescriptionQuartz - SiO2 (33455132771).jpg quartz - SiO2 locality: Stříbro, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (32770044663).jpg
Senin, 2024-07-15 19:52:46

DescriptionQuartz - SiO2 (32770044663).jpg quartz - SiO2 locality: Stříbro, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (26826395708).jpg
Selasa, 2024-05-21 23:25:41

DescriptionQuartz - SiO2 (26826395708).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Carnelian SiO2 (24326693903).jpg
Minggu, 2024-07-07 22:35:09

DescriptionCarnelian SiO2 (24326693903).jpg carnelian SiO2 locality: Vlahuňov, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele...

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File:Flint SiO2 (10994668066).jpg
Selasa, 2024-10-22 16:23:24

DescriptionFlint SiO2 (10994668066).jpg flint SiO2 locality: France photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode.cz" rel="nofollow">www...

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File:Quartz SiO2 (10974851153).jpg
Senin, 2024-07-15 19:52:19

DescriptionQuartz SiO2 (10974851153).jpg quartz SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:IMGP2025062 (51401352112).jpg
Jumat, 2025-12-12 06:01:52

Alike 2.0 truetrue 13 May 2022 English German Sphalerit (ZnS) und Quartz (SiO2), Fundort: Příbram, Tschechische Republik, 2021 object of statement has role:...

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File:Chalcedony SiO2 (32741299924).jpg
Minggu, 2024-07-07 22:34:51

DescriptionChalcedony SiO2 (32741299924).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Quartz - SiO2 (26826389188).jpg
Jumat, 2024-07-05 18:43:56

DescriptionQuartz - SiO2 (26826389188).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Jasper - SiO2 (42715736891).jpg
Jumat, 2024-06-21 15:40:17

DescriptionJasper - SiO2 (42715736891).jpg jasper - SiO2 locality: Únětice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (40698129691).jpg
Rabu, 2026-04-22 14:40:21

DescriptionQuartz - SiO2 (40698129691).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (40698117611).jpg
Minggu, 2026-05-10 15:19:59

DescriptionQuartz - SiO2 (40698117611).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz SiO2 (24927208306).jpg
Rabu, 2025-08-20 00:21:10

DescriptionQuartz SiO2 (24927208306).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele...

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File:Agate - SiO2 (38885755610).jpg
Selasa, 2024-10-15 17:59:10

DescriptionAgate - SiO2 (38885755610).jpg agate - SiO2 locality: probably Brasil photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Carneol (SiO2) (10974710696).jpg
Selasa, 2024-10-15 17:58:30

DescriptionCarneol (SiO2) (10974710696).jpg carneol (SiO2) locality: Nová Paka, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele...

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File:Quartz - SiO2 (26826391898).jpg
Rabu, 2025-07-09 23:14:20

DescriptionQuartz - SiO2 (26826391898).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Agate SiO2 (43208426905).jpg
Senin, 2024-07-01 23:03:05

DescriptionAgate SiO2 (43208426905).jpg agate SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Agate - SiO2 (26018140472).jpg
Senin, 2024-09-09 19:25:17

DescriptionAgate - SiO2 (26018140472).jpg agate - SiO2 locality: Vidochov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (38887648070).jpg
Rabu, 2024-05-22 13:43:44

DescriptionQuartz - SiO2 (38887648070).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (26110329085).jpg
Jumat, 2025-12-26 08:45:36

DescriptionQuartz - SiO2 (26110329085).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz SiO2 (10962876065).jpg
Senin, 2026-05-25 12:42:47

DescriptionQuartz SiO2 (10962876065).jpg quartz SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate - SiO2 (33455133601).jpg
Minggu, 2024-07-07 22:34:47

DescriptionAgate - SiO2 (33455133601).jpg agate - SiO2 locality: Kozákov, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Chalcedony SiO2 (13403661113).jpg
Jumat, 2024-06-21 02:01:19

DescriptionChalcedony SiO2 (13403661113).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Agate - SiO2 (27638240159).jpg
Senin, 2024-07-15 19:52:53

DescriptionAgate - SiO2 (27638240159).jpg agate - SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Agate - SiO2 (26084373096).jpg
Jumat, 2024-06-21 01:19:57

DescriptionAgate - SiO2 (26084373096).jpg agate - SiO2 locality: Krkonoše mountains region, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Agate SiO2 (26110032095).jpg
Jumat, 2024-09-06 23:06:45

DescriptionAgate SiO2 (26110032095).jpg agate SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (24322930094).jpg
Selasa, 2024-10-15 17:59:21

DescriptionQuartz - SiO2 (24322930094).jpg quartz - SiO2 locality: Rudice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Agate SiO2 (25837189020).jpg
Selasa, 2024-05-21 22:03:41

DescriptionAgate SiO2 (25837189020).jpg agate SiO2 locality: Podkrkonoší, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Chalcedony SiO2 (25837173630).jpg
Selasa, 2024-09-03 17:44:04

DescriptionChalcedony SiO2 (25837173630).jpg chalcedony SiO2 locality: Rudice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele.webnode...

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File:Quartz - SiO2 (39802850345).jpg
Selasa, 2024-10-22 16:24:09

DescriptionQuartz - SiO2 (39802850345).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Quartz - SiO2 (39988096474).jpg
Jumat, 2024-11-15 07:28:49

DescriptionQuartz - SiO2 (39988096474).jpg quartz - SiO2 locality: Těškov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Jasper - SiO2 (28841984738).jpg
Selasa, 2025-12-30 00:46:36

DescriptionJasper - SiO2 (28841984738).jpg jasper - SiO2 locality: Únětice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Chalcedony SiO2 (26110033845).jpg
Rabu, 2025-10-22 23:58:29

DescriptionChalcedony SiO2 (26110033845).jpg chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Agate SiO2 (42668017152).jpg
Jumat, 2024-09-06 23:06:17

DescriptionAgate SiO2 (42668017152).jpg agate SiO2 locality: Kozákov - Votrubcův lom, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:DiagPhase SiO2.svg
Minggu, 2026-04-26 17:41:56

DescriptionDiagPhase SiO2.svg Français : Diagramme de phases du dioxyde de silicium. English: Silicon dioxide phase diagram. Date 5 October 2018 Source...

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File:Cassiterite SnO2, quartz SiO2 - Czech Republic (50658151702).jpg
Senin, 2025-12-08 22:11:10

DescriptionCassiterite SnO2, quartz SiO2 - Czech Republic (50658151702).jpg cassiterite SnO2, quartz SiO2 locality: Horní Slavkov, Czech Republic photo...

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File:SiO2 and AlPO4.svg
Rabu, 2024-11-13 01:02:29

DescriptionSiO2 and AlPO4.svg 日本語: ゼオライト (SiO2) とAlPO分子ふるい (AlPO4) における構造の違い。ゼオライトのSiをAlとPに互い違いに置換したものがAlPOである。ゼオライトとは異なり、AlPOではAlは形式電荷-1、Pは形式電荷+1を有する...

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File:Clear quartz - SiO2 (28842679758).jpg
Minggu, 2024-07-07 22:34:35

DescriptionClear quartz - SiO2 (28842679758).jpg clear quartz - SiO2 locality: ? photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot.cz" rel="nofollow">www...

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File:Smoky quartz - SiO2 (29177637877).jpg
Kamis, 2024-05-23 16:25:57

DescriptionSmoky quartz - SiO2 (29177637877).jpg smoky quartz - SiO2 locality: Cyrilov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (41998141774).jpg
Minggu, 2026-03-01 16:46:13

DescriptionSmoky quartz - SiO2 (41998141774).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (30243814518).jpg
Selasa, 2024-10-15 17:58:53

DescriptionMilky quartz - SiO2 (30243814518).jpg milky quartz - SiO2 locality: Szklary, Poland photo (c) 2018 Jan Helebrant <a href="http://www.juhele...

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File:Quartz - smoky - SiO2 (26043676561).jpg
Selasa, 2024-10-22 16:24:21

DescriptionQuartz - smoky - SiO2 (26043676561).jpg quartz - smoky - SiO2 locality: ?, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele...

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File:Milky quartz - SiO2 (39415291231).jpg
Jumat, 2024-09-06 23:06:34

DescriptionMilky quartz - SiO2 (39415291231).jpg milky quartz - SiO2 locality: Banská Štiavnica, Slovakia photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (40655371362).jpg
Selasa, 2024-10-15 17:59:14

DescriptionSmoky quartz - SiO2 (40655371362).jpg smoky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (42716208721).jpg
Minggu, 2025-02-09 12:27:11

DescriptionSmoky quartz - SiO2 (42716208721).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Quartz, chalcedony SiO2 (13403862374).jpg
Selasa, 2024-10-15 17:58:38

DescriptionQuartz, chalcedony SiO2 (13403862374).jpg quartz, chalcedony SiO2 locality: Doubravice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst - SiO2 (40906724920).jpg
Selasa, 2024-10-22 16:23:38

DescriptionQuartz - amethyst - SiO2 (40906724920).jpg quartz - amethyst - SiO2 locality: Hostákov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst - SiO2 (26043665121).jpg
Senin, 2024-07-01 18:25:04

DescriptionQuartz - amethyst - SiO2 (26043665121).jpg quartz - amethyst - SiO2 locality: Doubravice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (30243838948).jpg
Jumat, 2025-08-22 11:37:27

DescriptionMilky quartz - SiO2 (30243838948).jpg milky quartz - SiO2 locality: Szklary, Poland photo (c) 2018 Jan Helebrant <a href="http://www.juhele...

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File:Agate, quartz SiO2 (13403767753).jpg
Selasa, 2024-10-15 17:58:39

DescriptionAgate, quartz SiO2 (13403767753).jpg agate, quartz SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Honeycomb quartz (SiO2) (9505876991).jpg
Senin, 2024-07-15 19:52:17

DescriptionHoneycomb quartz (SiO2) (9505876991).jpg honeycomb quartz (SiO2) locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (41816520075).jpg
Rabu, 2024-05-22 22:10:04

DescriptionSmoky quartz - SiO2 (41816520075).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Clear quartz SiO2 (33455136491).jpg
Jumat, 2024-06-21 04:41:22

DescriptionClear quartz SiO2 (33455136491).jpg clear quartz SiO2 locality: Obří Důl, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele...

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File:Quartz - amethyst - SiO2 (25505915944).jpg
Rabu, 2025-12-10 08:48:24

DescriptionQuartz - amethyst - SiO2 (25505915944).jpg quartz - amethyst - SiO2 locality: Brazil photo (c) 2015 Jan Helebrant <a href="http://www.juhele...

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File:Milky quartz - SiO2 (40698248271).jpg
Selasa, 2024-12-03 11:40:17

DescriptionMilky quartz - SiO2 (40698248271).jpg milky quartz - SiO2 locality: Izerskie Garby, Poland photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (24953567955).jpg
Minggu, 2024-07-07 22:35:08

DescriptionMilky quartz - SiO2 (24953567955).jpg milky quartz - SiO2 locality: Hostákov, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Quartz, chalcedony SiO2 (13403368275).jpg
Rabu, 2024-10-30 19:01:16

DescriptionQuartz, chalcedony SiO2 (13403368275).jpg quartz, chalcedony SiO2 locality: Doubravice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Carnelian jasper - SiO2 (38885699860).jpg
Jumat, 2024-09-06 23:06:35

DescriptionCarnelian jasper - SiO2 (38885699860).jpg carnelian / jasper - SiO2 locality: Doubravice, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Agate quartz - SiO2 (39986712114).jpg
Jumat, 2024-07-05 18:43:52

DescriptionAgate quartz - SiO2 (39986712114).jpg agate / quartz - SiO2 locality: Doubravice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (40906200760).jpg
Rabu, 2024-05-22 15:47:15

DescriptionSmoky quartz - SiO2 (40906200760).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Clear quartz SiO2 (32770049393).jpg
Selasa, 2024-10-15 17:59:01

DescriptionClear quartz SiO2 (32770049393).jpg clear quartz SiO2 locality: Obří Důl, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele...

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File:Smoky quartz - SiO2 (41816534635).jpg
Selasa, 2024-10-15 04:22:42

DescriptionSmoky quartz - SiO2 (41816534635).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Clear quartz - SiO2 (42663999822).jpg
Rabu, 2024-05-22 14:04:00

DescriptionClear quartz - SiO2 (42663999822).jpg clear quartz - SiO2 locality: Maršíkov, Stará Červená Voda, Czech Republic photo (c) 2018 Jan Helebrant...

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File:Smoky quartz - SiO2 (44066508932).jpg
Selasa, 2025-11-04 14:36:24

DescriptionSmoky quartz - SiO2 (44066508932).jpg smoky quartz - SiO2 locality: Cyrilov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (24835609222).jpg
Senin, 2025-09-29 06:28:41

DescriptionMilky quartz - SiO2 (24835609222).jpg milky quartz - SiO2 locality: Hostákov, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Chalcedony, quartz SiO2 (24953525585).jpg
Selasa, 2024-10-15 17:59:20

DescriptionChalcedony, quartz SiO2 (24953525585).jpg chalcedony, quartz SiO2 locality: Rožná, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst SiO2 (13403528785).jpg
Rabu, 2024-05-22 03:30:34

DescriptionQuartz - amethyst SiO2 (13403528785).jpg quartz - amethyst SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (41998194784).jpg
Rabu, 2024-05-22 15:26:26

DescriptionSmoky quartz - SiO2 (41998194784).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Clear quartz SiO2 (38702578444).jpg
Senin, 2024-09-09 19:24:44

DescriptionClear quartz SiO2 (38702578444).jpg clear quartz SiO2 locality: Obří Důl, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele...

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File:Chalcedony quartz SiO2 (40653986402).jpg
Selasa, 2024-10-22 16:24:07

DescriptionChalcedony quartz SiO2 (40653986402).jpg chalcedony / quartz SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2018 Jan Helebrant <a...

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File:Quartz - amethyst - SiO2 (25508054993).jpg
Selasa, 2024-09-03 17:44:08

DescriptionQuartz - amethyst - SiO2 (25508054993).jpg quartz - amethyst - SiO2 locality: Brazil photo (c) 2015 Jan Helebrant <a href="http://www.juhele...

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File:Smoky quartz - SiO2 (38887389330).jpg
Senin, 2025-06-23 05:31:47

DescriptionSmoky quartz - SiO2 (38887389330).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Chalcedony, quartz SiO2 (24953526905).jpg
Senin, 2024-09-09 19:25:02

DescriptionChalcedony, quartz SiO2 (24953526905).jpg chalcedony, quartz SiO2 locality: Rožná, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst SiO2 (13403975974).jpg
Senin, 2024-12-02 19:36:30

DescriptionQuartz - amethyst SiO2 (13403975974).jpg quartz - amethyst SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Clear quartz SiO2 (32770048383).jpg
Kamis, 2024-06-20 22:57:57

DescriptionClear quartz SiO2 (32770048383).jpg clear quartz SiO2 locality: Obří Důl, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele...

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File:Chalcedony quartz SiO2 (42666491012).jpg
Jumat, 2024-06-21 01:34:22

DescriptionChalcedony quartz SiO2 (42666491012).jpg chalcedony / quartz SiO2 locality: Dolní- Olešnice, Czech Republic photo (c) 2018 Jan Helebrant <a...

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File:Clear quartz - SiO2 (40902815450).jpg
Selasa, 2024-07-16 22:22:13

DescriptionClear quartz - SiO2 (40902815450).jpg clear quartz - SiO2 locality: Maršíkov, Stará Červená Voda, Czech Republic photo (c) 2018 Jan Helebrant...

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File:Smoky quartz - SiO2 (26826677258).jpg
Selasa, 2024-10-22 16:23:32

DescriptionSmoky quartz - SiO2 (26826677258).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (43208616215).jpg
Jumat, 2024-09-06 23:06:20

DescriptionSmoky quartz - SiO2 (43208616215).jpg smoky quartz - SiO2 locality: Cyrilov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst SiO2 (13403649573).jpg
Senin, 2025-12-29 14:05:13

DescriptionQuartz - amethyst SiO2 (13403649573).jpg quartz - amethyst SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Clear quartz SiO2 (27633453379).jpg
Selasa, 2024-06-25 18:26:54

DescriptionClear quartz SiO2 (27633453379).jpg clear quartz SiO2 locality: Obří Důl, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele...

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File:Smoky quartz - SiO2 (39803144525).jpg
Rabu, 2024-10-30 19:01:29

DescriptionSmoky quartz - SiO2 (39803144525).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Clear quartz - SiO2 (41998339394).jpg
Rabu, 2024-05-22 13:36:51

DescriptionClear quartz - SiO2 (41998339394).jpg clear quartz - SiO2 locality: ? photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot.cz" rel="nofollow">www...

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File:Clear quartz - SiO2 (27847658627).jpg
Sabtu, 2025-10-11 03:17:08

DescriptionClear quartz - SiO2 (27847658627).jpg clear quartz - SiO2 locality: ? photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot.cz" rel="nofollow">www...

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File:Milky quartz SiO2 (26043678151).jpg
Jumat, 2024-06-21 02:06:06

DescriptionMilky quartz SiO2 (26043678151).jpg milky quartz SiO2 locality: Stříbro, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele...

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File:Smoky quartz - SiO2 (25505265014).jpg
Kamis, 2024-11-14 18:04:26

DescriptionSmoky quartz - SiO2 (25505265014).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Chalcedony quartz (SiO2) (10994698834).jpg
Minggu, 2024-07-07 22:34:14

DescriptionChalcedony quartz (SiO2) (10994698834).jpg chalcedony/quartz (SiO2) locality: Doubravice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst - SiO2 (27847983957).jpg
Minggu, 2024-07-07 22:34:35

DescriptionQuartz - amethyst - SiO2 (27847983957).jpg quartz - amethyst - SiO2 locality: Hostákov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst - SiO2 (41817018055).jpg
Senin, 2024-07-15 19:52:32

DescriptionQuartz - amethyst - SiO2 (41817018055).jpg quartz - amethyst - SiO2 locality: Hostákov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Ferric quartz - SiO2 (24860208551).jpg
Selasa, 2024-10-15 17:59:22

DescriptionFerric quartz - SiO2 (24860208551).jpg ferric quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Rose quartz SiO2 (26044310571).jpg
Minggu, 2024-08-25 00:37:42

DescriptionRose quartz SiO2 (26044310571).jpg rose quartz SiO2 locality: Dolní Bory, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele...

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File:Clear quartz SiO2 (38532461565).jpg
Senin, 2024-07-15 19:52:49

DescriptionClear quartz SiO2 (38532461565).jpg clear quartz SiO2 locality: Obří Důl, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele...

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File:Sodium sulfate corrosion of silicon carbide fiber-reinforced lithium aluminosilicate glass-ceramic matrix composites (IA sodiumsulfatecor1094539717).pdf
Minggu, 2024-08-25 22:44:55

rapid corrosion of the matrix and SiC fibers and in the latter rings of SiO2 replaced what had previously been SiC. There was very limited degradation...

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File:Quartz - amethyst SiO2 (13403882094).jpg
Selasa, 2024-10-15 17:58:37

DescriptionQuartz - amethyst SiO2 (13403882094).jpg quartz - amethyst SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (39986405834).jpg
Jumat, 2024-08-23 00:23:56

DescriptionMilky quartz - SiO2 (39986405834).jpg milky quartz - SiO2 locality: Banská Štiavnica, Slovakia photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (40698239241).jpg
Kamis, 2025-03-06 06:58:35

DescriptionMilky quartz - SiO2 (40698239241).jpg milky quartz - SiO2 locality: Izerskie Garby, Poland photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (30243832518).jpg
Jumat, 2024-06-21 12:49:43

DescriptionMilky quartz - SiO2 (30243832518).jpg milky quartz - SiO2 locality: Szklary, Poland photo (c) 2018 Jan Helebrant <a href="http://www.juhele...

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File:Jasper chalcedony (SiO2) (9464460238).jpg
Jumat, 2024-10-25 11:17:03

DescriptionJasper chalcedony (SiO2) (9464460238).jpg jasper/chalcedony (SiO2) locality: Únětice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (40696548811).jpg
Kamis, 2025-05-08 14:44:52

DescriptionMilky quartz - SiO2 (40696548811).jpg milky quartz - SiO2 locality: Banská Štiavnica, Slovakia photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (40698585951).jpg
Jumat, 2024-06-21 14:21:37

DescriptionSmoky quartz - SiO2 (40698585951).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (26826680308).jpg
Rabu, 2024-10-30 19:01:26

DescriptionSmoky quartz - SiO2 (26826680308).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Sputtering sur SiO2.jpg
Minggu, 2025-11-02 11:45:49

DescriptionSputtering sur SiO2.jpg Français : Sputtering de O, N, Ar sur silice ː rendement fonction de l'énergie incidente Date 21 April 2024 Source Own...

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File:Milky quartz - SiO2 (26017492522).jpg
Senin, 2024-09-09 19:25:07

DescriptionMilky quartz - SiO2 (26017492522).jpg milky quartz - SiO2 locality: Moravia, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst - SiO2 (25507691553).jpg
Selasa, 2024-10-22 16:24:26

DescriptionQuartz - amethyst - SiO2 (25507691553).jpg quartz - amethyst - SiO2 locality: Doubravice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst SiO2 (13403619225).jpg
Kamis, 2024-10-24 03:03:26

DescriptionQuartz - amethyst SiO2 (13403619225).jpg quartz - amethyst SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst - SiO2 (41817013675).jpg
Kamis, 2024-05-23 15:13:31

DescriptionQuartz - amethyst - SiO2 (41817013675).jpg quartz - amethyst - SiO2 locality: Hostákov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (41816539595).jpg
Rabu, 2025-07-30 06:41:33

DescriptionSmoky quartz - SiO2 (41816539595).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Quartz, chalcedony SiO2 (13403494513).jpg
Rabu, 2024-05-22 13:48:42

DescriptionQuartz, chalcedony SiO2 (13403494513).jpg quartz, chalcedony SiO2 locality: Doubravice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Agate chalcedony SiO2 (32741303914).jpg
Minggu, 2024-07-07 22:34:49

DescriptionAgate chalcedony SiO2 (32741303914).jpg agate / chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (25827165127).jpg
Rabu, 2024-05-22 01:29:59

DescriptionSmoky quartz - SiO2 (25827165127).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (41816530845).jpg
Jumat, 2024-06-21 16:02:00

DescriptionSmoky quartz - SiO2 (41816530845).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (40906182550).jpg
Senin, 2024-07-01 18:27:44

DescriptionSmoky quartz - SiO2 (40906182550).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (39803152805).jpg
Rabu, 2024-10-30 19:01:26

DescriptionSmoky quartz - SiO2 (39803152805).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Cassiterite SnO2, quartz SiO2 - Czech Republic (50658150792).jpg
Kamis, 2024-08-29 21:15:49

DescriptionCassiterite SnO2, quartz SiO2 - Czech Republic (50658150792).jpg cassiterite SnO2, quartz SiO2 locality: Horní Slavkov, Czech Republic photo...

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File:Cassiterite SnO2, quartz SiO2 - Czech Republic (50658152257).jpg
Jumat, 2024-07-05 19:48:46

DescriptionCassiterite SnO2, quartz SiO2 - Czech Republic (50658152257).jpg cassiterite SnO2, quartz SiO2 locality: Horní Slavkov, Czech Republic photo...

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File:Chalcedony quartz SiO2 (42666485932).jpg
Rabu, 2024-05-22 14:32:20

DescriptionChalcedony quartz SiO2 (42666485932).jpg chalcedony / quartz SiO2 locality: Dolní- Olešnice, Czech Republic photo (c) 2018 Jan Helebrant <a...

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File:Opaleszens Kolloid SiO2.jpg
Senin, 2026-01-05 10:58:03

DescriptionOpaleszens Kolloid SiO2.jpg Deutsch: Eine leichte Opaleszenz bei kolloidalem Siliciumdioxid (hydrodynamischer Durchmesser: 92.7 nm). Date 11...

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File:Chalcedony quartz SiO2 (42666480762).jpg
Selasa, 2024-10-22 16:23:35

DescriptionChalcedony quartz SiO2 (42666480762).jpg chalcedony / quartz SiO2 locality: Dolní- Olešnice, Czech Republic photo (c) 2018 Jan Helebrant <a...

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File:Milky quartz - SiO2 (25825335797).jpg
Senin, 2024-07-15 19:52:57

DescriptionMilky quartz - SiO2 (25825335797).jpg milky quartz - SiO2 locality: Banská Štiavnica, Slovakia photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Agate chalcedony SiO2 (33455129041).jpg
Minggu, 2024-07-07 22:34:48

DescriptionAgate chalcedony SiO2 (33455129041).jpg agate / chalcedony SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (28842147178).jpg
Selasa, 2024-10-15 17:58:49

DescriptionMilky quartz - SiO2 (28842147178).jpg milky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst - SiO2 (41998650144).jpg
Senin, 2024-07-01 23:03:03

DescriptionQuartz - amethyst - SiO2 (41998650144).jpg quartz - amethyst - SiO2 locality: Hostákov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (39986389704).jpg
Senin, 2024-07-15 19:52:59

DescriptionMilky quartz - SiO2 (39986389704).jpg milky quartz - SiO2 locality: Banská Štiavnica, Slovakia photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz SiO2 (24548361507).jpg
Kamis, 2026-01-08 14:07:03

DescriptionMilky quartz SiO2 (24548361507).jpg milky quartz SiO2 locality: Izerskie Garby, Poland photo (c) 2017 Jan Helebrant <a href="http://www.juhele...

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File:Milky quartz - SiO2 (39986414284).jpg
Minggu, 2026-03-08 09:59:42

DescriptionMilky quartz - SiO2 (39986414284).jpg milky quartz - SiO2 locality: Banská Štiavnica, Slovakia photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (38887749050).jpg
Selasa, 2024-07-30 13:37:04

DescriptionMilky quartz - SiO2 (38887749050).jpg milky quartz - SiO2 locality: Izerskie Garby, Poland photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (33584089825).jpg
Kamis, 2024-06-27 14:17:43

DescriptionSmoky quartz - SiO2 (33584089825).jpg smoky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (44066516792).jpg
Senin, 2025-08-11 22:55:47

DescriptionSmoky quartz - SiO2 (44066516792).jpg smoky quartz - SiO2 locality: Cyrilov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Agate quartz - SiO2 (39986722244).jpg
Minggu, 2024-07-07 22:35:02

DescriptionAgate quartz - SiO2 (39986722244).jpg agate / quartz - SiO2 locality: Doubravice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (32741300274).jpg
Jumat, 2024-06-21 04:04:02

DescriptionSmoky quartz - SiO2 (32741300274).jpg smoky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Jasper chalcedony (SiO2) (9461680843).jpg
Selasa, 2024-08-20 07:41:17

DescriptionJasper chalcedony (SiO2) (9461680843).jpg jasper/chalcedony (SiO2) locality: Únětice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (39988355084).jpg
Selasa, 2024-06-25 15:40:40

DescriptionSmoky quartz - SiO2 (39988355084).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Clear quartz - SiO2 (40902809330).jpg
Jumat, 2025-04-25 12:57:51

DescriptionClear quartz - SiO2 (40902809330).jpg clear quartz - SiO2 locality: Maršíkov, Stará Červená Voda, Czech Republic photo (c) 2018 Jan Helebrant...

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File:Quartz - amethyst SiO2 (13403651523).jpg
Selasa, 2024-05-21 22:03:22

DescriptionQuartz - amethyst SiO2 (13403651523).jpg quartz - amethyst SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (38888097460).jpg
Rabu, 2024-10-30 19:01:26

DescriptionSmoky quartz - SiO2 (38888097460).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (38888078950).jpg
Selasa, 2024-10-22 16:23:32

DescriptionSmoky quartz - SiO2 (38888078950).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Feather agate - SiO2 (29174547097).jpg
Senin, 2024-07-01 23:03:03

DescriptionFeather agate - SiO2 (29174547097).jpg feather agate - SiO2 locality: Brazil photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Milky quartz - SiO2 (26110017765).jpg
Sabtu, 2024-07-13 12:44:08

DescriptionMilky quartz - SiO2 (26110017765).jpg milky quartz - SiO2 locality: Moravia, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (24860254231).jpg
Jumat, 2024-06-21 13:53:06

DescriptionMilky quartz - SiO2 (24860254231).jpg milky quartz - SiO2 locality: Hostákov, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Milky quartz SiO2 (39414501451).jpg
Selasa, 2024-10-15 17:59:08

DescriptionMilky quartz SiO2 (39414501451).jpg milky quartz SiO2 locality: Izerskie Garby, Poland photo (c) 2017 Jan Helebrant <a href="http://www.juhele...

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File:Milky quartz - SiO2 (39801247095).jpg
Kamis, 2024-05-23 15:57:08

DescriptionMilky quartz - SiO2 (39801247095).jpg milky quartz - SiO2 locality: Banská Štiavnica, Slovakia photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (40696546121).jpg
Rabu, 2024-05-22 03:26:07

DescriptionMilky quartz - SiO2 (40696546121).jpg milky quartz - SiO2 locality: Banská Štiavnica, Slovakia photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Chalcedony quartz SiO2 (39801410785).jpg
Senin, 2024-06-24 22:24:25

DescriptionChalcedony quartz SiO2 (39801410785).jpg chalcedony / quartz SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2018 Jan Helebrant <a...

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File:Clear quartz - SiO2 (40902821660).jpg
Rabu, 2024-05-22 03:06:46

DescriptionClear quartz - SiO2 (40902821660).jpg clear quartz - SiO2 locality: Maršíkov, Stará Červená Voda, Czech Republic photo (c) 2018 Jan Helebrant...

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File:Quartz - amethyst - SiO2 (26084739286).jpg
Senin, 2024-07-01 21:04:25

DescriptionQuartz - amethyst - SiO2 (26084739286).jpg quartz - amethyst - SiO2 locality: Brazil photo (c) 2015 Jan Helebrant <a href="http://www.juhele...

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File:Smoky quartz - SiO2 (38887370710).jpg
Rabu, 2024-05-22 16:10:29

DescriptionSmoky quartz - SiO2 (38887370710).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (33584090775).jpg
Selasa, 2024-10-15 17:59:02

DescriptionSmoky quartz - SiO2 (33584090775).jpg smoky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst - SiO2 (26043974141).jpg
Rabu, 2024-05-22 14:16:42

DescriptionQuartz - amethyst - SiO2 (26043974141).jpg quartz - amethyst - SiO2 locality: Doubravice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (38887377310).jpg
Sabtu, 2024-09-21 16:57:24

DescriptionSmoky quartz - SiO2 (38887377310).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (42716237851).jpg
Sabtu, 2024-09-07 21:26:36

DescriptionSmoky quartz - SiO2 (42716237851).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Honeycomb quartz (SiO2) (9508670570).jpg
Rabu, 2024-06-26 22:32:44

DescriptionHoneycomb quartz (SiO2) (9508670570).jpg honeycomb quartz (SiO2) locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (40697896991).jpg
Jumat, 2025-11-21 15:54:12

DescriptionSmoky quartz - SiO2 (40697896991).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (26824784338).jpg
Selasa, 2025-08-05 02:58:22

DescriptionMilky quartz - SiO2 (26824784338).jpg milky quartz - SiO2 locality: Banská Štiavnica, Slovakia photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (40697887611).jpg
Rabu, 2025-05-28 00:29:50

DescriptionSmoky quartz - SiO2 (40697887611).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (30244279178).jpg
Selasa, 2025-12-02 01:57:31

DescriptionMilky quartz - SiO2 (30244279178).jpg milky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Carnelian jasper - SiO2 (25824991487).jpg
Jumat, 2024-06-21 17:26:09

DescriptionCarnelian jasper - SiO2 (25824991487).jpg carnelian / jasper - SiO2 locality: Doubravice, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (42302708890).jpg
Selasa, 2026-03-10 04:36:04

DescriptionMilky quartz - SiO2 (42302708890).jpg milky quartz - SiO2 locality: Szklary, Poland photo (c) 2018 Jan Helebrant <a href="http://www.juhele...

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File:Smoky quartz - SiO2 (40698578541).jpg
Minggu, 2026-03-08 21:30:29

DescriptionSmoky quartz - SiO2 (40698578541).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (40655917222).jpg
Sabtu, 2025-11-01 15:13:45

DescriptionSmoky quartz - SiO2 (40655917222).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (26826706758).jpg
Senin, 2024-07-15 19:52:27

DescriptionSmoky quartz - SiO2 (26826706758).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (41998190794).jpg
Selasa, 2024-10-15 17:58:50

DescriptionSmoky quartz - SiO2 (41998190794).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Feather agate - SiO2 (43205587415).jpg
Selasa, 2024-10-22 16:23:40

DescriptionFeather agate - SiO2 (43205587415).jpg feather agate - SiO2 locality: Brazil photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot...

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File:Chalcedony quartz SiO2 (42666476082).jpg
Senin, 2024-07-15 19:52:29

DescriptionChalcedony quartz SiO2 (42666476082).jpg chalcedony / quartz SiO2 locality: Dolní- Olešnice, Czech Republic photo (c) 2018 Jan Helebrant <a...

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File:Smoky quartz - SiO2 (40655880602).jpg
Minggu, 2024-07-07 22:34:26

DescriptionSmoky quartz - SiO2 (40655880602).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Jasper chalcedony (SiO2) (9464456992).jpg
Rabu, 2024-10-30 19:00:52

DescriptionJasper chalcedony (SiO2) (9464456992).jpg jasper/chalcedony (SiO2) locality: Dolní Olešnice, Czech Republic photo (c) 2013 Jan Helebrant <a...

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File:Smoky quartz - SiO2 (40906193960).jpg
Selasa, 2024-10-22 16:23:37

DescriptionSmoky quartz - SiO2 (40906193960).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Honeycomb quartz (SiO2) (9505876525).jpg
Jumat, 2024-06-28 19:16:48

DescriptionHoneycomb quartz (SiO2) (9505876525).jpg honeycomb quartz (SiO2) locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Jasper chalcedony (SiO2) (9461677671).jpg
Selasa, 2024-10-22 16:23:20

DescriptionJasper chalcedony (SiO2) (9461677671).jpg jasper/chalcedony (SiO2) locality: Dolní Olešnice, Czech Republic photo (c) 2013 Jan Helebrant <a...

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File:Clear quartz SiO2 (27633890179).jpg
Senin, 2024-07-15 19:52:51

DescriptionClear quartz SiO2 (27633890179).jpg clear quartz SiO2 locality: Hluboká u Náměště nad Oslavou, Czech Republic photo (c) 2017 Jan Helebrant <a...

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File:Chalcedony quartz SiO2 (39801416575).jpg
Minggu, 2024-07-07 22:35:01

DescriptionChalcedony quartz SiO2 (39801416575).jpg chalcedony / quartz SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2018 Jan Helebrant <a...

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File:Quartz - amethyst - SiO2 (26043973851).jpg
Jumat, 2024-09-06 23:06:48

DescriptionQuartz - amethyst - SiO2 (26043973851).jpg quartz - amethyst - SiO2 locality: Doubravice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (41816544535).jpg
Senin, 2024-09-09 19:24:31

DescriptionSmoky quartz - SiO2 (41816544535).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (25826568107).jpg
Selasa, 2024-10-15 17:59:14

DescriptionSmoky quartz - SiO2 (25826568107).jpg smoky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (28842156718).jpg
Rabu, 2024-12-04 12:54:15

DescriptionMilky quartz - SiO2 (28842156718).jpg milky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (40696538571).jpg
Sabtu, 2026-02-07 16:46:18

DescriptionMilky quartz - SiO2 (40696538571).jpg milky quartz - SiO2 locality: Banská Štiavnica, Slovakia photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (38887351540).jpg
Jumat, 2024-07-05 18:43:52

DescriptionSmoky quartz - SiO2 (38887351540).jpg smoky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (42667102122).jpg
Senin, 2024-09-09 19:24:31

DescriptionMilky quartz - SiO2 (42667102122).jpg milky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (44063449832).jpg
Minggu, 2024-07-07 22:34:38

DescriptionMilky quartz - SiO2 (44063449832).jpg milky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (29177631467).jpg
Kamis, 2024-05-23 02:15:24

DescriptionSmoky quartz - SiO2 (29177631467).jpg smoky quartz - SiO2 locality: Cyrilov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (38887379780).jpg
Minggu, 2024-07-07 22:35:03

DescriptionSmoky quartz - SiO2 (38887379780).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (41998144824).jpg
Selasa, 2024-10-15 17:58:51

DescriptionSmoky quartz - SiO2 (41998144824).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Clear quartz - SiO2 (41813340765).jpg
Selasa, 2024-09-03 17:43:33

DescriptionClear quartz - SiO2 (41813340765).jpg clear quartz - SiO2 locality: Maršíkov, Stará Červená Voda, Czech Republic photo (c) 2018 Jan Helebrant...

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File:Quartz - amethyst SiO2 (13403647833).jpg
Rabu, 2024-05-22 15:47:58

DescriptionQuartz - amethyst SiO2 (13403647833).jpg quartz - amethyst SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Clear quartz SiO2 (38532457755).jpg
Jumat, 2024-06-28 23:03:45

DescriptionClear quartz SiO2 (38532457755).jpg clear quartz SiO2 locality: Obří Důl, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele...

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File:Smoky quartz - SiO2 (39987756304).jpg
Minggu, 2024-07-07 22:35:04

DescriptionSmoky quartz - SiO2 (39987756304).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (40906188390).jpg
Selasa, 2024-10-15 17:58:50

DescriptionSmoky quartz - SiO2 (40906188390).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Rose quartz SiO2 (25837826220).jpg
Kamis, 2025-10-02 10:51:07

DescriptionRose quartz SiO2 (25837826220).jpg rose quartz SiO2 locality: Dolní Bory, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele...

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File:Chalcedony quartz SiO2 (39801423515).jpg
Senin, 2024-09-09 19:24:54

DescriptionChalcedony quartz SiO2 (39801423515).jpg chalcedony / quartz SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2018 Jan Helebrant <a...

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File:Rose quartz SiO2 (11186157013).jpg
Kamis, 2026-03-12 08:18:19

DescriptionRose quartz SiO2 (11186157013).jpg rose quartz SiO2 locality: Dolní Bory, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www.juhele...

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File:Smoky quartz - SiO2 (24953568975).jpg
Selasa, 2024-10-15 17:59:19

DescriptionSmoky quartz - SiO2 (24953568975).jpg smoky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2014 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (43393430024).jpg
Minggu, 2025-11-16 08:08:19

DescriptionMilky quartz - SiO2 (43393430024).jpg milky quartz - SiO2 locality: Szklary, Poland photo (c) 2018 Jan Helebrant <a href="http://www.juhele...

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File:Milky quartz - SiO2 (27638179889).jpg
Minggu, 2025-12-07 23:17:58

DescriptionMilky quartz - SiO2 (27638179889).jpg milky quartz - SiO2 locality: Banská Štiavnica, Slovakia photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Refractive index SiO2 Na2O.gif
Rabu, 2022-05-25 18:32:03

DescriptionRefractive index SiO2 Na2O.gif English: Refractive index in the system SiO2-Na2O. Dummy variables can be used to quantify systematic differences...

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File:Smoky quartz - SiO2 (38888076040).jpg
Minggu, 2025-05-04 04:07:03

DescriptionSmoky quartz - SiO2 (38888076040).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (39802887995).jpg
Kamis, 2024-05-23 16:04:00

DescriptionMilky quartz - SiO2 (39802887995).jpg milky quartz - SiO2 locality: Izerskie Garby, Poland photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Chalcedony quartz SiO2 (25825308957).jpg
Jumat, 2024-06-21 02:10:54

DescriptionChalcedony quartz SiO2 (25825308957).jpg chalcedony / quartz SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2018 Jan Helebrant <a...

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File:Chalcedony quartz SiO2 (26824918428).jpg
Selasa, 2024-06-25 16:59:56

DescriptionChalcedony quartz SiO2 (26824918428).jpg chalcedony / quartz SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2018 Jan Helebrant <a...

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File:Clear quartz - SiO2 (28842691488).jpg
Selasa, 2024-10-15 17:58:51

DescriptionClear quartz - SiO2 (28842691488).jpg clear quartz - SiO2 locality: ? photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot.cz" rel="nofollow">www...

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File:Quartz - amethyst SiO2 (13403907384).jpg
Selasa, 2024-10-15 17:58:36

DescriptionQuartz - amethyst SiO2 (13403907384).jpg quartz - amethyst SiO2 locality: Milevsko, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (41816548435).jpg
Senin, 2024-06-24 15:46:06

DescriptionSmoky quartz - SiO2 (41816548435).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (40698600821).jpg
Selasa, 2024-05-21 21:55:50

DescriptionSmoky quartz - SiO2 (40698600821).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (38888073830).jpg
Selasa, 2024-10-15 17:58:44

DescriptionSmoky quartz - SiO2 (38888073830).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (40697899511).jpg
Jumat, 2026-05-08 11:28:09

DescriptionSmoky quartz - SiO2 (40697899511).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:P-T Diagram for SiO2.svg
Senin, 2025-08-25 21:43:05

DescriptionP-T Diagram for SiO2.svg English: Phase Diagram for SiO2 Date 11 April 2024 Source Own work Author Kilawyn Punx...

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File:Agate SiO2 from Brazil (50583745347).jpg
Selasa, 2024-07-09 17:09:25

DescriptionAgate SiO2 from Brazil (50583745347).jpg agate SiO2 locality: Brazil photo (c) 2020 Jan Helebrant <a href="http://www.juhele.blogspot.com"...

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File:Cassiterite SnO2, quartz SiO2 - Czech Republic (50658151122).jpg
Kamis, 2024-08-29 21:15:49

DescriptionCassiterite SnO2, quartz SiO2 - Czech Republic (50658151122).jpg cassiterite SnO2, quartz SiO2 locality: Horní Slavkov, Czech Republic photo...

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File:Clear quartz - SiO2 (38887878550).jpg
Selasa, 2024-10-15 17:59:15

DescriptionClear quartz - SiO2 (38887878550).jpg clear quartz - SiO2 locality: Kozlov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (44063442972).jpg
Minggu, 2025-03-09 13:05:18

DescriptionMilky quartz - SiO2 (44063442972).jpg milky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (39802890855).jpg
Senin, 2025-12-01 14:52:51

DescriptionMilky quartz - SiO2 (39802890855).jpg milky quartz - SiO2 locality: Izerskie Garby, Poland photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (30244288948).jpg
Selasa, 2024-10-15 17:58:54

DescriptionMilky quartz - SiO2 (30244288948).jpg milky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst - SiO2 (26084116556).jpg
Minggu, 2025-12-07 13:06:10

DescriptionQuartz - amethyst - SiO2 (26084116556).jpg quartz - amethyst - SiO2 locality: Doubravice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Chalcedony quartz SiO2 (26824739988).jpg
Selasa, 2024-10-15 17:59:12

DescriptionChalcedony quartz SiO2 (26824739988).jpg chalcedony / quartz SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2018 Jan Helebrant <a...

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File:Agate SiO2 locality- Brazi (50582883838).jpg
Rabu, 2024-07-31 08:33:09

DescriptionAgate SiO2 locality- Brazi (50582883838).jpg agate SiO2 locality: Brazil photo (c) 2020 Jan Helebrant <a href="http://www.juhele.blogspot.com"...

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File:Smoky quartz - SiO2 (11169329016).jpg
Rabu, 2024-10-30 19:01:04

DescriptionSmoky quartz - SiO2 (11169329016).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst SiO2 (13403620875).jpg
Rabu, 2026-03-11 13:37:21

DescriptionQuartz - amethyst SiO2 (13403620875).jpg quartz - amethyst SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Milky quartz - SiO2 (41997844694).jpg
Sabtu, 2025-11-01 13:59:22

DescriptionMilky quartz - SiO2 (41997844694).jpg milky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (42306363530).jpg
Jumat, 2024-09-06 23:06:19

DescriptionSmoky quartz - SiO2 (42306363530).jpg smoky quartz - SiO2 locality: Cyrilov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (33584089105).jpg
Kamis, 2024-10-24 15:27:36

DescriptionSmoky quartz - SiO2 (33584089105).jpg smoky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (40906176560).jpg
Minggu, 2025-10-12 18:04:31

DescriptionSmoky quartz - SiO2 (40906176560).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (40655895452).jpg
Sabtu, 2026-02-07 09:40:54

DescriptionSmoky quartz - SiO2 (40655895452).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Agate quartz - SiO2 (39986717324).jpg
Rabu, 2024-05-22 01:29:42

DescriptionAgate quartz - SiO2 (39986717324).jpg agate / quartz - SiO2 locality: Doubravice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz - SiO2 (28842493578).jpg
Kamis, 2024-05-23 17:18:33

DescriptionSmoky quartz - SiO2 (28842493578).jpg smoky quartz - SiO2 locality: Dolní Bory, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Quartz, agate SiO2 (13403500915).jpg
Minggu, 2024-07-07 22:34:22

DescriptionQuartz, agate SiO2 (13403500915).jpg quartz, agate SiO2 locality: Doubravice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Clear quartz SiO2 (38532887975).jpg
Sabtu, 2025-05-10 04:05:12

DescriptionClear quartz SiO2 (38532887975).jpg clear quartz SiO2 locality: Hluboká u Náměště nad Oslavou, Czech Republic photo (c) 2017 Jan Helebrant <a...

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File:Quartz - amethyst - SiO2 (41998641944).jpg
Rabu, 2024-05-22 14:48:01

DescriptionQuartz - amethyst - SiO2 (41998641944).jpg quartz - amethyst - SiO2 locality: Hostákov, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Opal - SiO2·nH2O (43209069295).jpg
Senin, 2024-07-01 23:03:06

DescriptionOpal - SiO2·nH2O (43209069295).jpg opal - SiO2·nH2O locality: Kazakhstan photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Agate, quartz SiO2 (13403766363).jpg
Kamis, 2024-05-23 17:18:33

DescriptionAgate, quartz SiO2 (13403766363).jpg agate, quartz SiO2 locality: Dolní Olešnice, Czech Republic photo (c) 2013 Jan Helebrant <a href="http://www...

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File:Opal - SiO2·nH2O (38538087475).jpg
Minggu, 2024-07-07 22:34:57

DescriptionOpal - SiO2·nH2O (38538087475).jpg opal - SiO2·nH2O locality: Třesov, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele...

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File:Opal - SiO2·nH2O (26017485822).jpg
Selasa, 2024-10-15 17:59:25

DescriptionOpal - SiO2·nH2O (26017485822).jpg opal - SiO2·nH2O locality: Bohouškovice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Agate SiO2 from Brazil (50583623611).jpg
Kamis, 2024-09-05 16:14:55

DescriptionAgate SiO2 from Brazil (50583623611).jpg agate SiO2 locality: Brazil photo (c) 2020 Jan Helebrant <a href="http://www.juhele.blogspot.com"...

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File:Agate SiO2 from Brazil (50583624161).jpg
Sabtu, 2025-05-24 21:17:27

DescriptionAgate SiO2 from Brazil (50583624161).jpg agate SiO2 locality: Brazil photo (c) 2020 Jan Helebrant <a href="http://www.juhele.blogspot.com"...

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File:Opal - SiO2·nH2O (29178167297).jpg
Sabtu, 2025-10-04 04:41:59

DescriptionOpal - SiO2·nH2O (29178167297).jpg opal - SiO2·nH2O locality: Kazakhstan photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Agate SiO2 from Brazil (50583744132).jpg
Sabtu, 2025-05-24 21:17:28

DescriptionAgate SiO2 from Brazil (50583744132).jpg agate SiO2 locality: Brazil photo (c) 2020 Jan Helebrant <a href="http://www.juhele.blogspot.com"...

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File:Opal - SiO2·nH2O (26110672375).jpg
Senin, 2024-07-01 18:16:03

DescriptionOpal - SiO2·nH2O (26110672375).jpg opal - SiO2·nH2O locality: Nová Paka, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www.juhele...

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File:Agate SiO2 from Brazil (50583744817).jpg
Minggu, 2024-12-15 14:07:54

DescriptionAgate SiO2 from Brazil (50583744817).jpg agate SiO2 locality: Brazil photo (c) 2020 Jan Helebrant <a href="http://www.juhele.blogspot.com"...

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File:The system- PbO-SiO2 (IA systempbosio213223cell).pdf
Sabtu, 2024-09-07 08:09:30

The system: PbO-SiO2   (  ) Author Celler, R.F.; Creamer, A.S.; Bunting, E.N. Title The system: PbO-SiO2 Volume Bureau of Standards Journal of Research...

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File:Opal - SiO2·nH2O (40697824021).jpg
Minggu, 2024-07-07 22:35:02

DescriptionOpal - SiO2·nH2O (40697824021).jpg opal - SiO2·nH2O locality: Bohouškovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Opal - SiO2·nH2O (40655336272).jpg
Minggu, 2024-07-07 22:35:03

DescriptionOpal - SiO2·nH2O (40655336272).jpg opal - SiO2·nH2O locality: Bohouškovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Opal - SiO2·nH2O (26017486202).jpg
Selasa, 2024-10-15 17:59:25

DescriptionOpal - SiO2·nH2O (26017486202).jpg opal - SiO2·nH2O locality: Bohouškovice, Czech Republic photo (c) 2015 Jan Helebrant <a href="http://www...

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File:Opal - SiO2·nH2O (30248070628).jpg
Minggu, 2025-11-09 06:41:17

DescriptionOpal - SiO2·nH2O (30248070628).jpg opal - SiO2·nH2O locality: Kazakhstan photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Opal - SiO2·nH2O (33455125431).jpg
Selasa, 2025-04-08 06:08:35

DescriptionOpal - SiO2·nH2O (33455125431).jpg opal - SiO2·nH2O locality: Bohouškovice, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst, milky - SiO2 (25508057083).jpg
Rabu, 2024-05-22 16:15:46

DescriptionQuartz - amethyst, milky - SiO2 (25508057083).jpg quartz - amethyst, milky - SiO2 locality: Bochovice, Czech Republic photo (c) 2015 Jan Helebrant...

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File:Amethyst, milky quartz - SiO2 (44115534221).jpg
Jumat, 2024-09-06 23:06:19

DescriptionAmethyst, milky quartz - SiO2 (44115534221).jpg amethyst, milky quartz - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant...

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File:Quartz - amethyst, milky - SiO2 (25827034817).jpg
Rabu, 2024-10-30 19:01:25

DescriptionQuartz - amethyst, milky - SiO2 (25827034817).jpg quartz - amethyst, milky - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant...

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File:Quartz - amethyst, milky - SiO2 (38886349370).jpg
Sabtu, 2026-02-21 19:47:07

DescriptionQuartz - amethyst, milky - SiO2 (38886349370).jpg quartz - amethyst, milky - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant...

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File:Opal - SiO2·nH2O (29178153547).jpg
Senin, 2024-07-15 19:52:38

DescriptionOpal - SiO2·nH2O (29178153547).jpg opal - SiO2·nH2O locality: Kazakhstan photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Opal - SiO2·nH2O (26826070458).jpg
Selasa, 2024-05-21 23:25:50

DescriptionOpal - SiO2·nH2O (26826070458).jpg opal - SiO2·nH2O locality: Bohouškovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Opal - SiO2·nH2O (38708240694).jpg
Sabtu, 2024-07-20 13:28:03

DescriptionOpal - SiO2·nH2O (38708240694).jpg opal - SiO2·nH2O locality: Třesov, Czech Republic photo (c) 2017 Jan Helebrant <a href="http://www.juhele...

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File:Opal - SiO2·nH2O (29178180027).jpg
Jumat, 2024-06-21 12:45:59

DescriptionOpal - SiO2·nH2O (29178180027).jpg opal - SiO2·nH2O locality: Kazakhstan photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Opal - SiO2·nH2O (30248075608).jpg
Senin, 2024-07-15 19:52:37

DescriptionOpal - SiO2·nH2O (30248075608).jpg opal - SiO2·nH2O locality: Kazakhstan photo (c) 2018 Jan Helebrant <a href="http://www.juhele.blogspot.cz"...

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File:Clear quartz - SiO2 geode (29174575887).jpg
Senin, 2024-07-15 19:52:33

DescriptionClear quartz - SiO2 geode (29174575887).jpg clear quartz - SiO2 geode locality: Rudice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Clear milky quartz - SiO2 (40698076851).jpg
Senin, 2024-09-09 19:24:56

DescriptionClear milky quartz - SiO2 (40698076851).jpg clear / milky quartz - SiO2 locality: Szklary, Poland photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Clear quartz - SiO2 geode (43205608575).jpg
Senin, 2024-07-01 23:03:03

DescriptionClear quartz - SiO2 geode (43205608575).jpg clear quartz - SiO2 geode locality: Rudice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Quartz - amethyst, milky - SiO2 (25505281824).jpg
Rabu, 2024-07-17 10:58:54

DescriptionQuartz - amethyst, milky - SiO2 (25505281824).jpg quartz - amethyst, milky - SiO2 locality: Bochovice, Czech Republic photo (c) 2015 Jan Helebrant...

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File:Quartz - amethyst, milky - SiO2 (38888026930).jpg
Selasa, 2024-10-22 16:23:31

DescriptionQuartz - amethyst, milky - SiO2 (38888026930).jpg quartz - amethyst, milky - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant...

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File:Opal - SiO2·nH2O (39987684484).jpg
Kamis, 2024-05-23 15:19:13

DescriptionOpal - SiO2·nH2O (39987684484).jpg opal - SiO2·nH2O locality: Bohouškovice, Czech Republic photo (c) 2018 Jan Helebrant <a href="http://www...

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File:Smoky quartz, amethyst SiO2 (13403521005).jpg
Minggu, 2025-11-02 14:39:10

DescriptionSmoky quartz, amethyst SiO2 (13403521005).jpg smoky quartz, amethyst SiO2 locality: Bochovice, Czech Republic photo (c) 2013 Jan Helebrant <a...

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File:Quartz - amethyst, milky - SiO2 (26110679485).jpg
Selasa, 2024-12-03 05:14:21

DescriptionQuartz - amethyst, milky - SiO2 (26110679485).jpg quartz - amethyst, milky - SiO2 locality: Bochovice, Czech Republic photo (c) 2015 Jan Helebrant...

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File:Quartz - amethyst, milky - SiO2 (39988213124).jpg
Minggu, 2025-02-09 12:42:40

DescriptionQuartz - amethyst, milky - SiO2 (39988213124).jpg quartz - amethyst, milky - SiO2 locality: Bochovice, Czech Republic photo (c) 2018 Jan Helebrant...

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Index: pl ar de en es fr it arz nl ja pt ceb sv uk vi war zh ru af ast az bg zh-min-nan bn be ca cs cy da et el eo eu fa gl ko hi hr id he ka la lv lt hu mk ms min no nn ce uz kk ro simple sk sl sr sh fi ta tt th tg azb tr ur zh-yue hy my ace als am an hyw ban bjn map-bms ba be-tarask bcl bpy bar bs br cv nv eml hif fo fy ga gd gu hak ha hsb io ig ilo ia ie os is jv kn ht ku ckb ky mrj lb lij li lmo mai mg ml zh-classical mr xmf mzn cdo mn nap new ne frr oc mhr or as pa pnb ps pms nds crh qu sa sah sco sq scn si sd szl su sw tl shn te bug vec vo wa wuu yi yo diq bat-smg zu lad kbd ang smn ab roa-rup frp arc gn av ay bh bi bo bxr cbk-zam co za dag ary se pdc dv dsb myv ext fur gv gag inh ki glk gan guw xal haw rw kbp pam csb kw km kv koi kg gom ks gcr lo lbe ltg lez nia ln jbo lg mt mi tw mwl mdf mnw nqo fj nah na nds-nl nrm nov om pi pag pap pfl pcd krc kaa ksh rm rue sm sat sc trv stq nso sn cu so srn kab roa-tara tet tpi to chr tum tk tyv udm ug vep fiu-vro vls wo xh zea ty ak bm ch ny ee ff got iu ik kl mad cr pih ami pwn pnt dz rmy rn sg st tn ss ti din chy ts kcg ve
Prefix: a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9

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