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Faustite Mineral Data
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General Faustite Information
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 Chemical Formula: |
(Zn,Cu)Al6(PO4)4(OH)8•4(H2O) |
| Composition: |
Molecular Weight = 823.92 gm |
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Aluminum 19.65 % Al 37.13 % Al2O3 |
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Zinc 6.35 % Zn 7.90 % ZnO |
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Copper 1.54 % Cu 1.74 % Cu2O |
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Phosphorus 15.04 % P 34.46 % P2O5 |
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Hydrogen 2.08 % H 18.59 % H2O |
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Oxygen 55.34 % O |
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______ ______ |
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100.00 % 99.81 % = TOTAL OXIDE |
| Empirical Formula: |
Zn0.8Cu0.2Al6(PO4)4(OH)8•4.5(H2O) |
| Environment: |
In argillized shales associated with copper mineralization. |
| IMA Status: |
Valid Species (Pre-IMA) 1953 |
| Locality: |
Copper King mine, about 16 km northwest of Carlin, Maggie Creek district, Eureka County, Nevada, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for George Tobias Faust (1908-1985), mineralogist and geologist, U. S. Geological Survey. |
| Name Pronunciation: |
Faustite  |
| Synonym: |
Cuprofaustite - Cu-bearing faustite |
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