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Heinrichite Mineral Data
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General Heinrichite Information
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 Chemical Formula: |
Ba(UO2)2(AsO4)2•10-12(H2O) |
| Composition: |
Molecular Weight = 1,153.39 gm |
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Barium 11.91 % Ba 13.29 % BaO |
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Uranium 41.27 % U 46.82 % UO2 |
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Arsenic 12.99 % As 19.93 % As2O5 |
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Hydrogen 1.92 % H 17.18 % H2O |
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Oxygen 31.90 % O |
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______ ______ |
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100.00 % 97.23 % = TOTAL OXIDE |
| Empirical Formula: |
Ba(UO2)2(AsO4)2•11(H2O) |
| Environment: |
Found on fracture coatings in slilicified rhyolite tuff. Readily dehydrates to meta-heinrichite. |
| IMA Status: |
Valid Species (Pre-IMA) 1958 |
| Locality: |
White King mine, 22 km N.W. of Lakeview, Lake County, Oregon, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Eberhardt William Heinrich (1918-1991), mineralogist, University of Michigan, Ann Arbor, MI, USA. |
| Name Pronunciation: |
Heinrichite + Pronunciation  |
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