Dark green dioptase crystals. Copper silicate (CuSiO3·H2O).

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Size: 5200px × 3453px
Location: USA
Photo credit: © Gabbro / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: close-, closeup, collection, copper, crystal, dioptase, geology, green, mineral, mineralogy, minerals, nature, rock, science, silicate, specimen, transparent