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Chalcocite Mineral Data
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General Chalcocite Information
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 Chemical Formula: |
Cu2S |
| Composition: |
Molecular Weight = 159.16 gm |
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Copper 79.85 % Cu |
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Sulfur 20.15 % S |
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100.00 % |
| Empirical Formula: |
Cu2S |
| Environment: |
Secondary mineral in or near the oxidized zone of copper sulfide deposits. |
| IMA Status: |
Valid Species (Pre-IMA) 1832 |
| Locality: |
Cornwall, England and Butte, Montana. Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek, meaning chalkos, "copper". |
| Name Pronunciation: |
Chalcocite + Pronunciation  |
| Synonym: |
Cocinerite - mixture with silver |
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