Mineralogy Database

Bornhardtite Mineral Data

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General Bornhardtite Information

Help on Chemical  Formula: Chemical Formula: Co++Co+++2Se4
Help on Composition: Composition: Molecular Weight = 413.68 gm
   Cobalt    42.74 %  Co
   Selenium  57.26 %  Se
            100.00 % 
Help on Empirical Formula: Empirical Formula: CoCo2Se3
Help on Environment: Environment: Of hydrothermal origin.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1955
Help on Locality: Locality: At the Trogtal quarry, near Lautenthal, and at Tilkerode, Harz, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: After Dr. Wilhelm Bornhardt (1864-?), German student of ore deposits.
Help on Name Pronunciation: Name Pronunciation: Bornhardtite + Pronunciation Say BORNHARDTITE
Help on Synonym: Synonym: ICSD 42538
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