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Calvertite Mineral Data
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General Calvertite Information
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 Chemical Formula: |
Cu5Ge0.5S4 |
| Composition: |
Molecular Weight = 495.06 gm |
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Vanadium 0.05 % V |
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Zinc 0.54 % Zn |
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Gallium 0.35 % Ga |
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Iron 1.61 % Fe |
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Copper 61.38 % Cu |
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Germanium 5.60 % Ge |
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Arsenic 1.45 % As |
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Sulfur 29.00 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Cu4.78Fe2+0.14Zn0.04Ga0.02V3+0.005Ge0.38As0.09S0.47S4 |
| Environment: |
Occurs in a granular texture formed by a network of chalcocite veins. |
| IMA Status: |
Approved IMA 2006 (Dana # Added) |
| Locality: |
Tsumeb, Namibia Link to MinDat.org Location Data. |
| Name Origin: |
Named for Lauriston (Larry) Derwent Calvert (1924-1993) of the National Research Council, Ottawa, Canada. |
| Synonym: |
IMA2006-030 |
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