Mineralogy Database

Oxykinoshitalite Mineral Data

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General Oxykinoshitalite Information

Help on Chemical  Formula: Chemical Formula: (Ba,K)(Mg,Fe++,Ti)3(Si,Al)4O10O2
Help on Composition: Composition: Molecular Weight = 507.95 gm
   Potassium   3.31 %  K     3.99 % K2O
   Barium     12.98 %  Ba   14.49 % BaO
   Sodium      0.32 %  Na    0.43 % Na2O
   Calcium     0.08 %  Ca    0.11 % CaO
   Magnesium   6.60 %  Mg   10.95 % MgO
   Titanium    7.26 %  Ti   12.11 % TiO2
   Manganese   0.11 %  Mn    0.14 % MnO
   Aluminum    8.50 %  Al   16.06 % Al2O3
   Iron        9.79 %  Fe   11.74 % FeO /  0.94 % Fe2O3
   Silicon    13.05 %  Si   27.92 % SiO2
   Hydrogen    0.06 %  H     0.57 % H2O
   Oxygen     36.98 %  O
   Fluorine    0.97 %  F     0.97 % F
                -   %   F    -0.41 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba0.48K0.43Na0.07Ca0.01Mg1.38Fe2+0.83Ti0.77Fe3+0.02Mn2+0.01Si2.36Al1.6Fe3+0.04 O1.42O10(OH)0.32F0.26
Help on Environment: Environment: Found in olivine nephelinite dominated by nepheline basalt flows with minor nephelinite dykes, tuffs, and breccias. Mica group
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Fernando-do-Noronha Island, Brazil Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in accord with the IMA-approved nomenclature for minerals of them mica group (Rieder et al. 1998, Can. Mineral., 36, 905-912).
Help on Synonym: Synonym: IMA2004-013