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Demesmaekerite Mineral Data
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General Demesmaekerite Information
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 Chemical Formula: |
Pb2Cu5(UO2)2(SeO3)6(OH)6•2(H2O) |
| Composition: |
Molecular Weight = 2,172.01 gm |
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Uranium 21.92 % U 24.86 % UO2 |
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Copper 14.63 % Cu 18.31 % CuO |
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Hydrogen 0.46 % H 4.15 % H2O |
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Lead 19.08 % Pb 20.55 % PbO |
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Selenium 21.81 % Se 30.65 % SeO2 |
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Oxygen 22.10 % O |
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______ ______ |
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100.00 % 98.53 % = TOTAL OXIDE |
| Empirical Formula: |
Pb2Cu5(UO2)2(SeO3)6(OH)6•2(H2O) |
| Environment: |
Lower part of the oxidation zone. |
| IMA Status: |
Approved IMA 1965 |
| Locality: |
Musonoi mine, Kolwezi, Shaba, Zaire. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Gaston Demesmaeker (1911-), Belgian mining geologist, who studied the Shikolobwe uranium deposits. |
| Name Pronunciation: |
Demesmaekerite + Pronunciation  |
| Synonym: |
ICSD 37177 |
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PDF 18-692 |
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