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Cornwallite Mineral Data
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General Cornwallite Information
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 Chemical Formula: |
Cu5(AsO4)2(OH)4 |
| Composition: |
Molecular Weight = 681.61 gm |
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Copper 46.61 % Cu 58.35 % CuO |
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Arsenic 21.98 % As 33.72 % As2O5 |
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Hydrogen 0.89 % H 7.93 % H2O |
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Oxygen 30.51 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Cu5(AsO4)2(OH)4•(H2O) |
| Environment: |
Dimorphous with cornubite. |
| IMA Status: |
Valid Species (Pre-IMA) 1847 |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named after the English leader Cornwall. |
| Name Pronunciation: |
Cornwallite + Pronunciation  |
| Synonym: |
Erinite |
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ICSD 89035 |
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PDF 39-1357 |
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