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Stanfieldite Mineral Data
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General Stanfieldite Information
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 Chemical Formula: |
Ca4(Mg,Fe++,Mn)5(PO4)6 |
| Composition: |
Molecular Weight = 906.55 gm |
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Calcium 17.68 % Ca 24.74 % CaO |
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Magnesium 7.78 % Mg 12.89 % MgO |
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Manganese 1.21 % Mn 1.56 % MnO |
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Iron 10.47 % Fe 13.47 % FeO |
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Phosphorus 20.50 % P 46.97 % P2O5 |
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Oxygen 42.36 % O |
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______ ______ |
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100.00 % 99.65 % = TOTAL OXIDE |
| Empirical Formula: |
Ca4Mg2.9Fe2+1.7Mn2+0.2(PO4)6 |
| Environment: |
A rare component of some meteorites. |
| IMA Status: |
Approved IMA 1967 |
| Locality: |
Esterville mesosiderite meteorite. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Stanley Field (1875-1964), former Chairman of the Board of Turstees of the Field Museum of Natural History, Chicago, Illinois, USA. |
| Name Pronunciation: |
Stanfieldite + Pronunciation  |
| Synonym: |
ICSD 23642 |
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PDF 20-223 |
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