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Kolfanite Mineral Data
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General Kolfanite Information
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 Chemical Formula: |
Ca2Fe+++3O2(AsO4)3•2(H2O) |
| Composition: |
Molecular Weight = 732.48 gm |
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Calcium 10.94 % Ca 15.31 % CaO |
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Iron 22.87 % Fe 32.70 % Fe2O3 |
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Arsenic 30.69 % As 47.07 % As2O5 |
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Hydrogen 0.55 % H 4.92 % H2O |
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Oxygen 34.95 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca2Fe3+3O2(AsO4)3•2(H2O) |
| Environment: |
An alteration product of holtite in a hydrothermally altered granite pegmatite. |
| IMA Status: |
Approved IMA 1982 |
| Locality: |
Mt. Vasin-Myl�k, Voron�i massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named from the abbreviation for the Russian KOL�skii Filial Akademii Nauk SSSR [Kola Branch of the Academy of Sciences of the USSR]. |
| Name Pronunciation: |
Kolfanite + Pronunciation  |
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