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Quartz (rock Crystal) Mineral, Crystal Structure. Onyx, Amethyst.. Stock Photo, Picture And Royalty Free Image. Image 40234243.
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![Quartz (rock crystal) mineral, crystal structure. Onyx, amethyst and agate gemstone are all varieties of quartz. Atoms shown as color-coded spheres (S Stock Photo - Alamy Quartz (rock crystal) mineral, crystal structure. Onyx, amethyst and agate gemstone are all varieties of quartz. Atoms shown as color-coded spheres (S Stock Photo - Alamy](https://c8.alamy.com/comp/J3PBWF/quartz-rock-crystal-mineral-crystal-structure-onyx-amethyst-and-agate-J3PBWF.jpg)
Quartz (rock crystal) mineral, crystal structure. Onyx, amethyst and agate gemstone are all varieties of quartz. Atoms shown as color-coded spheres (S Stock Photo - Alamy
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