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Keyite Mineral Data
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General Keyite Information
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 Chemical Formula: |
Cu++3(Zn,Cu)4Cd2(AsO4)6•2(H2O) |
| Composition: |
Molecular Weight = 1,520.19 gm |
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Calcium 0.26 % Ca 0.37 % CaO |
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Manganese 0.72 % Mn 1.04 % Mn2O3 |
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Zinc 14.19 % Zn 17.67 % ZnO |
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Cadmium 12.57 % Cd 14.36 % CdO |
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Copper 15.05 % Cu 16.94 % Cu2O |
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Arsenic 29.57 % As 45.36 % As2O5 |
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Hydrogen 0.27 % H 2.37 % H2O |
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Oxygen 27.36 % O |
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______ ______ |
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100.00 % 98.11 % = TOTAL OXIDE |
| Empirical Formula: |
Cu3.6Zn3.3Cd1.7Mn3+0.2Ca0.1(AsO4)6•2(H2O) |
| Environment: |
Secondary mineral in the oxidized zone of a dolostone-hosted hydrothermal polymetallic ore deposit. |
| IMA Status: |
Approved IMA 1977 |
| Locality: |
Tsumeb, Namibia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Charles Locke Key (1935-), Canton, Connecticut, USA, American mineral dealer who furnished the first specimens. |
| Name Pronunciation: |
Keyite  |
| Synonym: |
ICSD 82482 |
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PDF 29-256 |
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