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Arrojadite-(NaFe) Mineral Data
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General Arrojadite-(NaFe) Information
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 Chemical Formula: |
NaNa2CaNa2(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 |
| Composition: |
Molecular Weight = 2,016.97 gm |
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Sodium 5.70 % Na 7.68 % Na2O |
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Calcium 1.99 % Ca 2.78 % CaO |
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Magnesium 2.41 % Mg 4.00 % MgO |
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Manganese 10.90 % Mn 14.07 % MnO |
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Aluminum 1.34 % Al 2.53 % Al2O3 |
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Iron 19.38 % Fe 24.93 % FeO |
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Phosphorus 18.43 % P 42.22 % P2O5 |
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Hydrogen 0.12 % H 1.12 % H2O |
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Oxygen 39.27 % O |
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Fluorine 0.47 % F 0.47 % F |
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- %
F -0.20 % -O=F2 |
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______ ______ |
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100.00 % 99.60 % = TOTAL OXIDE |
| Empirical Formula: |
NaNa2CaNa2Fe2+7Mn2+4Mg2Al(PO4)11(PO3OH)(OH)1.5F0.5 |
| IMA Status: |
Not Submitted IMA (Dana # Added) |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named after arrojadite and site occupancy of the arrojadite structure. |
| Name Pronunciation: |
Arrojadite-(NaFe) + Pronunciation  |
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