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Alluaudite Mineral Data
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General Alluaudite Information
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 Chemical Formula: |
NaCaFe++(Mn,Fe++,Fe+++,Mg)2(PO4)3 |
| Composition: |
Molecular Weight = 482.77 gm |
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Sodium 2.86 % Na 3.85 % Na2O |
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Calcium 0.83 % Ca 1.16 % CaO |
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Magnesium 0.50 % Mg 0.83 % MgO |
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Manganese 13.66 % Mn 17.63 % MnO |
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Iron 23.14 % Fe 33.08 % Fe2O3 |
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Phosphorus 19.25 % P 44.10 % P2O5 |
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Oxygen 39.77 % O |
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______ ______ |
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100.00 % 100.66 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.6Mn2+0.2Ca0.1Mn2+Fe3+2Mg0.1(PO4)3 |
| Environment: |
Sodium metasomatism of triphylite-lithiophilite phosphatic nodules in granite pegmatites. |
| IMA Status: |
Valid Species (Pre-IMA) 1848 |
| Locality: |
La Vilate quarry, near Chanteloube, Haute-Vienne, France. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Francois Alluaud, mining engineer of Limoges, France, who discovered the mineral. |
| Name Pronunciation: |
Alluaudite + Pronunciation  |
| Synonym: |
Huhnerkobelite |
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ICSD 75441 |
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PDF 42-581 |
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