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Giraudite Mineral Data
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General Giraudite Information
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 Chemical Formula: |
(Cu,Zn,Ag)12(As,Sb)4(Se,S)13 |
| Composition: |
Molecular Weight = 2,042.97 gm |
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Zinc 11.52 % Zn |
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Copper 22.40 % Cu |
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Silver 6.34 % Ag |
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Antimony 5.96 % Sb |
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Arsenic 11.00 % As |
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Selenium 37.68 % Se |
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Sulfur 5.10 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Cu7.2Zn3.6Ag1.2As3SbSe9.75S3.25 |
| Environment: |
As late stage deposits in veins cutting granite. |
| IMA Status: |
Approved IMA 1982 |
| Locality: |
From Chameane, Puy-de-Dome, France. Link to MinDat.org Location Data. |
| Name Origin: |
To honor Roger Giraud, of the electron microprobe laboratory of the B.R.G.M.-C.N.R.S. in Orleans, France. |
| Name Pronunciation: |
Giraudite + Pronunciation  |
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