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Hastite Mineral Data
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General Hastite Information
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 Chemical Formula: |
CoSe2 |
| Composition: |
Molecular Weight = 216.85 gm |
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Cobalt 27.18 % Co |
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Selenium 72.82 % Se |
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______ |
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100.00 % |
| Empirical Formula: |
CoSe2 |
| Environment: |
In hydrothermal veins. Hastite (1955) was shown to be ferroselite |
| IMA Status: |
Discredited IMA 2008 - Valid Species (Pre-IMA) 1955 |
| Locality: |
In Germany, from the Trogtal quarry, near Lautenthal, in the upper Harz. Link to MinDat.org Location Data. |
| Name Origin: |
For Dr. P.F. Hast, mining engineer. |
| Name Pronunciation: |
Hastite  |
| Synonym: |
ICSD 42540 |
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PDF 10-408 |
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