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Hallimondite Mineral Data
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General Hallimondite Information
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 Chemical Formula: |
Pb2(UO2)(AsO4)2 |
| Composition: |
Molecular Weight = 962.27 gm |
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Uranium 24.74 % U 28.06 % UO2 |
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Arsenic 15.57 % As 23.89 % As2O5 |
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Lead 43.07 % Pb 46.39 % PbO |
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Oxygen 16.63 % O |
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______ ______ |
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100.00 % 98.34 % = TOTAL OXIDE |
| Empirical Formula: |
Pb2(UO2)(AsO4)2 |
| Environment: |
Secondary mineral found on a museum specimen from an oxidizing As-Pb-bearing deposit, formed by alteration of galena. |
| IMA Status: |
Approved IMA 1965 |
| Locality: |
Michael mine, Weiler, near Lahr, Black Forest, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Arthur Francis Hallimond (1890-1968), British mineralogist, London, England, for his work with secondary uranium minerals. |
| Name Pronunciation: |
Hallimondite + Pronunciation  |
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