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Penroseite Mineral Data
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General Penroseite Information
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 Chemical Formula: |
(Ni,Co,Cu)Se2 |
| Composition: |
Molecular Weight = 217.17 gm |
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Cobalt 8.14 % Co |
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Copper 2.93 % Cu |
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Nickel 16.22 % Ni |
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Selenium 72.72 % Se |
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______ |
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100.00 % |
| Empirical Formula: |
Ni0.6Co0.3Cu0.1Se2 |
| Environment: |
In hydrothermal veins. |
| IMA Status: |
Valid Species (Pre-IMA) 1926 |
| Locality: |
Pacajake mine, Hiaco, 30 km east-northeast of Colquechaca, Potos�, Bolivia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Richard Alexander Fullerton Penrose, Jr. (1863-1931), American economic geologist, of Philaelphia, Pennsylvania, USA. |
| Name Pronunciation: |
Penroseite + Pronunciation  |
| Synonym: |
Blockite |
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ICSD 40330 |
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PDF 41-1495 |
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