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Fontanite Mineral Data
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General Fontanite Information
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 Chemical Formula: |
Ca[(UO2)3(CO3)2O2]•6(H2O) |
| Composition: |
Molecular Weight = 1,110.27 gm |
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Calcium 3.61 % Ca 5.05 % CaO |
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Uranium 64.32 % U 72.96 % UO2 |
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Hydrogen 1.09 % H 9.74 % H2O |
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Carbon 2.16 % C 7.93 % CO2 |
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Oxygen 28.82 % O |
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______ ______ |
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100.00 % 95.68 % = TOTAL OXIDE |
| Empirical Formula: |
Ca(UO2)3(CO3)2O2•6(H2O) |
| Environment: |
Uranium deposit. Uranyl-carbonate sheet structure formed under mildly acidic conditions. |
| IMA Status: |
Approved IMA 1992 |
| Locality: |
Rabejec deposit (7 km SSE of Lodeve), Herault, France. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Francois Fontan, mineralogist, University of Paul-Sabatier, Toulouse, France. |
| Name Pronunciation: |
Fontanite + Pronunciation  |
| Synonym: |
IMA1991-034 |
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