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Pseudo-autunite Mineral Data
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General Pseudo-autunite Information
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 Chemical Formula: |
(H3O)4Ca2(UO2)2(PO4)4•5(H2O) (?) |
| Composition: |
Molecular Weight = 1,166.27 gm |
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Calcium 6.87 % Ca 9.62 % CaO |
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Uranium 40.82 % U 46.31 % UO2 |
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Phosphorus 10.62 % P 24.34 % P2O5 |
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Hydrogen 1.90 % H 16.99 % H2O |
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Oxygen 39.78 % O |
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______ ______ |
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100.00 % 97.26 % = TOTAL OXIDE |
| Empirical Formula: |
(H3O)4Ca2(UO2)2(PO4)4•5(H2O) |
| Environment: |
Fissures and cavities of albite-acmite veins in the contact zone of ultrabasic-alkalic rocks. |
| IMA Status: |
Not Approved IMA 1968 |
| Locality: |
Northern Karelia, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its similarity to autunite and meta-autunite in composition and occurrence. |
| Synonym: |
Discredited |
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