Dioptase. This mineral is a form of copper cyclosilicate, containing copper in a silicate lattice. This is a crystalline form of the mineral, showing

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Dioptase. This mineral is a form of copper cyclosilicate, containing copper in a silicate lattice. This is a crystalline form of the mineral, showing its characteristic green colour. This sample, from the Tantara mine in Katanga, Democratic Republic of the Congo, is 120 millimetres across. Specimen from the Collection Royal Museum for Central Africa, Tervuren, Belgium.

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Photo credit: © DIRK WIERSMA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: background, copper, crystal, crystalline, crystals, cyclosilicate, dioptase, earth, geological, geology, green, lattice, mineral, pen, science, secondary, silicate, sulphide, white