Mineralogy Database

Tarapacaite Mineral Data

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General Tarapacaite Information

Help on Chemical  Formula: Chemical Formula: K2CrO4
Help on Composition: Composition: Molecular Weight = 194.19 gm
   Potassium  40.27 %  K    48.51 % K2O
   Chromium   26.78 %  Cr   51.49 % CrO3
   Oxygen     32.96 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K2(CrO4)
Help on Environment: Environment: Minor accessory mineral in nitrate deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1878
Help on Locality: Locality: In Chile, in nitrate caliche deposits throughout the Atacama Desert. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its first noted occurrence in the Tocopilla Pampa, 170 km north of Antofagasta, Tarapaca, Chile.
Help on Name Pronunciation: Name Pronunciation: Tarapacaite + Pronunciation Say TARAPACAITE
Help on Synonym: Synonym: ICSD 2402
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