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Geerite Mineral Data
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General Geerite Information
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 Chemical Formula: |
Cu8S5 |
| Composition: |
Molecular Weight = 668.70 gm |
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Copper 76.02 % Cu |
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Sulfur 23.98 % S |
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100.00 % |
| Empirical Formula: |
Cu8S5 |
| Environment: |
Replacing sphalerite along cleavage traces. |
| IMA Status: |
Approved IMA 1980 |
| Locality: |
In DeKalb Township, St. Lawrence Co., New York, and from Cuchillo, Winston district, Sierra Co., New Mexico, USA. Link to MinDat.org Location Data. |
| Name Origin: |
To honor the original collector, Adam Geer, of Utica, New York, USA. |
| Name Pronunciation: |
Geerite  |
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