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Walentaite Mineral Data
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General Walentaite Information
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 Chemical Formula: |
(Ca,Mn++,Fe++)Fe+++3(AsO4)(PO4)3(PO3OH) |
| Composition: |
Molecular Weight = 733.47 gm |
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Calcium 3.28 % Ca 4.59 % CaO |
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Manganese 2.25 % Mn 2.90 % MnO |
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Iron 23.60 % Fe 0.98 % FeO / 32.66 % Fe2O3 |
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Arsenic 10.21 % As 15.67 % As2O5 |
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Phosphorus 16.89 % P 38.71 % P2O5 |
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Hydrogen 0.14 % H 1.23 % H2O |
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Oxygen 43.63 % O |
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______ ______ |
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100.00 % 96.73 % = TOTAL OXIDE |
| Empirical Formula: |
Ca0.6Mn2+0.3Fe2+0.1Fe3+3(AsO4)(PO4)3(PO3)(OH) |
| Environment: |
Secondary phosphate mineral. |
| IMA Status: |
Approved IMA 1984 |
| Locality: |
White Elephant mine, Pringle, Custer County, South Dakota, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Kurt Walenta (1927-), mineralogist, University of Stuttgart, Germany, who has studied many phosphate minerals. |
| Name Pronunciation: |
Walentaite + Pronunciation  |
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