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Dickinsonite-(KNa) Mineral Data
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General Dickinsonite-(KNa) Information
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 Chemical Formula: |
KNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 |
| Composition: |
Molecular Weight = 2,160.41 gm |
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Potassium 1.81 % K 2.18 % K2O |
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Sodium 4.26 % Na 5.74 % Na2O |
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Manganese 27.97 % Mn 36.12 % MnO |
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Aluminum 1.25 % Al 2.36 % Al2O3 |
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Iron 10.34 % Fe 13.30 % FeO |
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Phosphorus 17.20 % P 39.42 % P2O5 |
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Hydrogen 0.07 % H 0.63 % H2O |
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Oxygen 36.66 % O |
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Fluorine 0.44 % F 0.44 % F |
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- %
F -0.19 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
KNaMn2+Na3Mn2+7Fe2+4Mn2+3Al(PO4)11(PO4)(OH)1.5F0.5 |
| Environment: |
Arrojadite group |
| IMA Status: |
Approved IMA 2005 (Dana # Added) |
| Locality: |
Branchville, Fairfield Co., Connecticut, USA Link to MinDat.org Location Data. |
| Name Origin: |
Named after dickinsonite and site occupancy of the arrojadite-dickensonite structure. |
| Name Pronunciation: |
Dickinsonite-(KNa) + Pronunciation  |
| Synonym: |
Dickinsonite |
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