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Calumetite Mineral Data
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General Calumetite Information
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 Chemical Formula: |
Cu(OH,Cl)2•2(H2O) |
| Composition: |
Molecular Weight = 152.04 gm |
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Copper 41.80 % Cu 52.32 % CuO |
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Hydrogen 3.31 % H 29.62 % H2O |
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Chlorine 23.32 % Cl 23.32 % Cl |
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- %
Cl -5.26 % -O=Cl2 |
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Oxygen 31.57 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Cu(OH)Cl•2(H2O) |
| Environment: |
Secondary mineral. |
| IMA Status: |
Approved IMA 1963 |
| Locality: |
Centennial mine, Calumet, Houghton County. Michigan, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
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