Mineralogy Database

Dioptase Mineral Data

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General Dioptase Information

Help on Chemical  Formula: Chemical Formula: CuSiO2(OH)2
Help on Composition: Composition: Molecular Weight = 157.64 gm
   Copper    40.31 %  Cu   50.46 % CuO
   Silicon   17.82 %  Si   38.11 % SiO2
   Hydrogen   1.28 %  H    11.43 % H2O
   Oxygen    40.60 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CuSiO2(OH)2
Help on Environment: Environment: Secondary mineral in oxidized zones of copper deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1797
Help on Locality: Locality: Tsumeb and Cochab, Namibia. Altyn Tube, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek, dia - "through" and optomai - "vision."
Help on Name Pronunciation: Name Pronunciation: Dioptase Say DIOPTASE
Help on Synonym: Synonym: ICSD 100077
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