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Gilmarite Mineral Data
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General Gilmarite Information
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 Chemical Formula: |
Cu3(AsO4)(OH)3 |
| Composition: |
Molecular Weight = 380.58 gm |
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Copper 50.09 % Cu 62.70 % CuO |
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Arsenic 19.69 % As 30.20 % As2O5 |
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Hydrogen 0.79 % H 7.10 % H2O |
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Oxygen 29.43 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Cu3(AsO4)(OH)3 |
| Environment: |
Small geodes in narrow carbonate veins. A triclinic polymorph of clinoclase. |
| IMA Status: |
Approved IMA 1999 (Dana # Added) |
| Locality: |
Roua deposit, Guillaumes municipality, about 50 km from Nice, France. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Gilbert Mari (1944-), mineralogist at the University of Nice-Sophia Antipolis, France. |
| Synonym: |
ICSD 87869 |
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IMA1996-017 |
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