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Mahnertite Mineral Data
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General Mahnertite Information
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 Chemical Formula: |
(Na,Ca)Cu++3(AsO4)2Cl•5(H2O) |
| Composition: |
Molecular Weight = 565.01 gm |
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Sodium 3.58 % Na 4.83 % Na2O |
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Calcium 0.85 % Ca 1.19 % CaO |
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Copper 30.93 % Cu 38.72 % CuO |
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Arsenic 26.52 % As 40.68 % As2O5 |
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Hydrogen 1.30 % H 11.57 % H2O |
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Chlorine 3.89 % Cl 3.89 % Cl |
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- %
Cl -0.88 % -O=Cl2 |
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Oxygen 32.93 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.88Ca0.12Cu2.75(AsO4)2Cl0.62•3.63(H2O) |
| Environment: |
Found in a zone of secondary alteration. Polytype of zdenekite. |
| IMA Status: |
Approved IMA 1995 (Dana # Added) |
| Locality: |
Cap Garonne mine, Var, France. Link to MinDat.org Location Data. |
| Name Origin: |
Named after Volker Mahnert (b. 1943), zoologist, director of the Museum d�Histoire Naturelle, Geneva, Switzerland. |
| Name Pronunciation: |
Mahnertite + Pronunciation  |
| Synonym: |
IMA1994-035 |
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