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Arrojadite-(PbFe) Mineral Data
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General Arrojadite-(PbFe) Information
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 Chemical Formula: |
PbFe++Na2Ca(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 |
| Composition: |
Molecular Weight = 2,242.59 gm |
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Sodium 2.05 % Na 2.76 % Na2O |
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Calcium 1.79 % Ca 2.50 % CaO |
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Magnesium 1.08 % Mg 1.80 % MgO |
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Manganese 9.80 % Mn 12.65 % MnO |
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Aluminum 1.20 % Al 2.27 % Al2O3 |
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Iron 22.41 % Fe 28.83 % FeO |
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Phosphorus 16.57 % P 37.98 % P2O5 |
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Hydrogen 0.11 % H 1.00 % H2O |
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Lead 9.24 % Pb 9.95 % PbO |
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Oxygen 35.31 % O |
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Fluorine 0.42 % F 0.42 % F |
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- %
F -0.18 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
PbFe2+Na2CaFe2+8Mn2+4MgAl(PO4)11(PO3OH)(OH)1.5F0.5 |
| Environment: |
Occurred with walnut-sized black grains of metamict � llowite. Arrojadite group |
| IMA Status: |
Approved IMA 2005 (Dana # Added) |
| Locality: |
Sapucaia pegmatite, Galilea, Rio Doce basin, Minas Gerais, Brazil Link to MinDat.org Location Data. |
| Name Origin: |
Named after arrojadite and site occupancy of the arrojadite structure. |
| Name Pronunciation: |
Arrojadite-(PbFe) + Pronunciation  |
| Synonym: |
IMA2005-056 |
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