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Burangaite Mineral Data
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General Burangaite Information
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 Chemical Formula: |
(Na,Ca)2(Fe++,Mg)2Al10(PO4)8(OH,O)12•4(H2O) |
| Composition: |
Molecular Weight = 738.18 gm |
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Sodium 2.18 % Na 2.94 % Na2O |
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Calcium 1.63 % Ca 2.28 % CaO |
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Magnesium 1.32 % Mg 2.18 % MgO |
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Aluminum 18.28 % Al 34.53 % Al2O3 |
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Iron 6.05 % Fe 6.81 % FeO / 1.08 % Fe2O3 |
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Phosphorus 16.78 % P 38.46 % P2O5 |
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Hydrogen 1.31 % H 11.71 % H2O |
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Oxygen 52.45 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.7Ca0.3Fe2+0.7Mg0.4Al5Fe3+0.1(PO4)4(OH)5.6O0.6�2(H2O) |
| Environment: |
Corroded aggregates with other phosphates in a zoned granite pegmatite. |
| IMA Status: |
Approved IMA 1977 |
| Locality: |
Buranga pegmatite, near Gatumba, Rwanda. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Burangaite + Pronunciation  |
| Synonym: |
ICSD 84627 |
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PDF 29-1190 |
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