General Ferrorosemaryite Information
|
 Chemical Formula: |
[ ]NaFe++Fe+++Al(PO4)3 |
| Composition: |
Molecular Weight = 454.58 gm |
| |
Sodium 2.12 % Na 2.86 % Na2O |
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Calcium 0.35 % Ca 0.49 % CaO |
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Magnesium 0.11 % Mg 0.18 % MgO |
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Manganese 6.28 % Mn 8.11 % MnO |
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Aluminum 4.87 % Al 9.20 % Al2O3 |
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Iron 23.59 % Fe 11.22 % FeO / 21.25 % Fe2O3 |
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Phosphorus 20.44 % P 46.84 % P2O5 |
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Oxygen 42.24 % O |
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______ ______ |
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100.00 % 100.16 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.42Mn2+0.28Ca0.04Fe2+0.71Mn2+0.24Fe3+0.05Fe3+Al0.82Fe3+0.16Mg0.02(PO4)3 |
| Environment: |
Found in embedded in scorzalite from cotan-bearing pegmatites that cut across dark-gray schists and quartzites of the Mesoproterozoic Kibuye formation. Wyllieite group. |
| IMA Status: |
Approved IMA 2003 (Dana # Added) |
| Locality: |
Rubindi-Kabilizi pegmatite, located 3 km WNW of Muhororo village, south of the Rubindi river, 50 km west of Kigali, Rwanda. Link to MinDat.org Location Data. |
| Name Origin: |
Named as the Fe-dominant analogue of rosemaryite. |
| Synonym: |
IMA2003-063 |
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