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Stewartite Mineral Data
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General Stewartite Information
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 Chemical Formula: |
Mn++Fe+++2(PO4)2(OH)2•8(H2O) |
| Composition: |
Molecular Weight = 534.71 gm |
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Manganese 10.27 % Mn 13.27 % MnO |
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Iron 20.89 % Fe 29.87 % Fe2O3 |
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Phosphorus 11.59 % P 26.55 % P2O5 |
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Hydrogen 3.39 % H 30.32 % H2O |
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Oxygen 53.86 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+Fe3+2(PO4)2(OH)2•8(H2O) |
| Environment: |
Granitic lithia-bearing pegmatites. |
| IMA Status: |
Valid Species (Pre-IMA) 1912 |
| Locality: |
Stuart mine, Queen Mountains, Pala, San Diego Co., California. Link to MinDat.org Location Data. |
| Name Origin: |
Named after it's locality. |
| Name Pronunciation: |
Stewartite + Pronunciation  |
| Synonym: |
ICSD 6204 |
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PDF 5-110 |
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