Mineralogy Database

Hastite Mineral Data

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General Hastite Information

Help on Chemical  Formula: Chemical Formula: CoSe2
Help on Composition: Composition: Molecular Weight = 216.85 gm
   Cobalt    27.18 %  Co
   Selenium  72.82 %  Se
            100.00 % 
Help on Empirical Formula: Empirical Formula: CoSe2
Help on Environment: Environment: In hydrothermal veins. Hastite (1955) was shown to be ferroselite
Help on IMA Status: IMA Status: Discredited IMA 2008 - Valid Species (Pre-IMA) 1955
Help on Locality: Locality: In Germany, from the Trogtal quarry, near Lautenthal, in the upper Harz. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Dr. P.F. Hast, mining engineer.
Help on Name Pronunciation: Name Pronunciation: Hastite Say HASTITE
Help on Synonym: Synonym: ICSD 42540
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