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Pearceite Mineral Data
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General Pearceite Information
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 Chemical Formula: |
[Ag9CuS4] [(Ag,Cu)6(As,Sb)2S7] |
| Composition: |
Molecular Weight = 2,096.80 gm |
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Copper 11.64 % Cu |
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Silver 62.50 % Ag |
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Antimony 4.82 % Sb |
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Arsenic 4.22 % As |
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Sulfur 16.82 % S |
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100.00 % |
| Empirical Formula: |
Ag12.15Cu3.84As1.18Sb0.83S11 |
| Environment: |
The arsenic analog of polybasite. |
| IMA Status: |
Valid Species (Pre-IMA) 1896 |
| Locality: |
Aspen, Colorado. Link to MinDat.org Location Data. |
| Name Origin: |
Named after the American chemist, R. Pearce (1837-1927). |
| Name Pronunciation: |
Pearceite + Pronunciation  |
| Synonym: |
Pearceite-Tac - Suggested nomenclature from AmMin v92:918 |
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