Mineralogy Database

Potassicpargasite Mineral Data

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General Potassicpargasite Information

Help on Chemical  Formula: Chemical Formula: (K,Na)Ca2(Mg,Fe++)5Si8O22(OH,F)2
Help on Composition: Composition: Molecular Weight = 906.89 gm
   Potassium   2.16 %  K     2.60 % K2O
   Sodium      1.27 %  Na    1.71 % Na2O
   Calcium     8.84 %  Ca   12.37 % CaO
   Magnesium   8.04 %  Mg   13.33 % MgO
   Iron       12.32 %  Fe   15.84 % FeO
   Silicon    24.78 %  Si   53.00 % SiO2
   Hydrogen    0.20 %  H     1.79 % H2O
   Oxygen     41.99 %  O
   Fluorine    0.42 %  F     0.42 % F
                -   %   F    -0.18 % -O=F2    
             ______        ______ 
             100.00 %      100.88 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K0.5Na0.5Ca2Mg3Fe2+2(Si8O22)(OH)1.8F0.2
Help on Environment: Environment: With calcite in a metasomatic or skarn-type deposit.
Help on IMA Status: IMA Status: Approved IMA 1994 (Dana # Added)
Help on Locality: Locality: Pargas, Turku-Pori, Finland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its containing potassium and the locality.
Help on Name Pronunciation: Name Pronunciation: Potassicpargasite Say POTASSICPARGASITE
Help on Synonym: Synonym: IMA1994-046
  Pargasite-K