Mineralogy Database

Potassicrichterite Mineral Data

Search Webmineral :
  

General Potassicrichterite Information

Help on Chemical  Formula: Chemical Formula: (K,Na)(CaNa)2Mg5[Si8O22](OH,F)2
Help on Composition: Composition: Molecular Weight = 832.34 gm
   Potassium   3.52 %  K     4.24 % K2O
   Sodium      3.45 %  Na    4.65 % Na2O
   Calcium     4.82 %  Ca    6.74 % CaO
   Magnesium  14.60 %  Mg   24.21 % MgO
   Silicon    26.99 %  Si   57.75 % SiO2
   Hydrogen    0.12 %  H     1.08 % H2O
   Oxygen     44.21 %  O
   Fluorine    2.28 %  F     2.28 % F
                -   %   F    -0.96 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K0.75Na1.25CaMg5(Si8O22)(OH)F
Help on IMA Status: IMA Status: Proposed IMA (Dana # Added)
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883).
Help on Synonym: Synonym: Richterite-K