Mineralogy Database

Dickinsonite-(KNaNa) Mineral Data

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General Dickinsonite-(KNaNa) Information

Help on Chemical  Formula: Chemical Formula: KNaNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2
Help on Composition: Composition: Molecular Weight = 2,052.34 gm
   Potassium    1.91 %  K     2.29 % K2O
   Sodium       5.60 %  Na    7.55 % Na2O
   Calcium      1.95 %  Ca    2.73 % CaO
   Magnesium    2.37 %  Mg    3.93 % MgO
   Manganese   18.74 %  Mn   24.19 % MnO
   Aluminum     1.31 %  Al    2.48 % Al2O3
   Iron        10.88 %  Fe   14.00 % FeO
   Phosphorus  18.11 %  P    41.50 % P2O5
   Hydrogen     0.07 %  H     0.66 % H2O
   Oxygen      38.59 %  O
   Fluorine     0.46 %  F     0.46 % F
                 -   %   F    -0.19 % -O=F2    
              ______        ______ 
              100.00 %       99.61 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KNaNa4CaMn2+7Fe2+4Mg2Al(PO4)11(PO4)(OH)1.5F0.5
Help on IMA Status: IMA Status: Not Submitted IMA (Dana # Added)
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after dickinsonite and site occupancy of the arrojadite-dickensonite structure.
Help on Name Pronunciation: Name Pronunciation: Dickinsonite-(KNaNa) + Pronunciation Say DICKINSONITE-(KNANA)