Mineralogy Database

Dickinsonite-(KMnNa) Mineral Data

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General Dickinsonite-(KMnNa) Information

Help on Chemical  Formula: Chemical Formula: KNaMnNa3Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2
Help on Composition: Composition: Molecular Weight = 2,117.87 gm
   Potassium    0.92 %  K     1.11 % K2O
   Barium       0.06 %  Ba    0.07 % BaO
   Sodium       6.27 %  Na    8.46 % Na2O
   Strontium    0.21 %  Sr    0.24 % SrO
   Lithium      0.10 %  Li    0.22 % Li2O
   Calcium      0.97 %  Ca    1.35 % CaO
   Magnesium    0.07 %  Mg    0.11 % MgO
   Titanium     0.02 %  Ti    0.04 % TiO2
   Manganese   25.16 %  Mn   32.49 % MnO
   Aluminum     1.16 %  Al    2.19 % Al2O3
   Zinc         0.03 %  Zn    0.04 % ZnO
   Iron        10.05 %  Fe   12.62 % FeO /  0.34 % Fe2O3
   Silicon      0.01 %  Si    0.03 % SiO2
   Phosphorus  17.58 %  P    40.28 % P2O5
   Hydrogen     0.10 %  H     0.93 % H2O
   Lead         0.10 %  Pb    0.11 % PbO
   Oxygen      37.15 %  O
   Fluorine     0.03 %  F     0.03 % F
                 -   %   F    -0.01 % -O=F2    
              ______        ______ 
              100.00 %      100.64 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K0.5Na5.78Ca0.51Sr0.05Ba0.01Pb0.01Mn2+9.7Fe2+3.72Li0.31Mg0.06Zn0.01Al0.91Fe3+0.09 Ti0.01(OH)1.97F0.03P12.02Si0.01O47(OH)0.21
Help on IMA Status: IMA Status: Approved IMA 2005 (Dana # Added)
Help on Locality: Locality: Branchville, Fairfield Co., Connecticut, USA 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-(KMnNa) + Pronunciation Say DICKINSONITE-(KMNNA)
Help on Synonym: Synonym: Dickinsonite
  IMA2005-048