Mineralogy Database

Okanoganite-(Y) Mineral Data

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General Okanoganite-(Y) Information

Help on Chemical  Formula: Chemical Formula: (Na,Ca)3(Y,Ce)12Si6B2O27F14
Help on Composition: Composition: Molecular Weight = 2,660.88 gm
   Barium            0.05 %  Ba    0.06 % BaO
   Sodium            1.41 %  Na    1.90 % Na2O
   Strontium         0.07 %  Sr    0.08 % SrO
   Lithium           0.01 %  Li    0.02 % Li2O
   Calcium           3.99 %  Ca    5.58 % CaO
   La,Ce,Pr,Nd,Sm,  36.91 %  RE   43.06 % REE2O3
   Yttrium          15.10 %  Y    19.18 % Y2O3
   Thorium           1.66 %  Th    1.89 % ThO2
   Uranium           0.09 %  U     0.11 % UO3
   Titanium          0.34 %  Ti    0.57 % TiO2
   Beryllium         0.00 %  Be    0.01 % BeO
   Iron              1.55 %  Fe    2.22 % Fe2O3
   Silicon           7.08 %  Si   15.15 % SiO2
   Boron             1.19 %  B     3.85 % B2O3
   Phosphorus        0.37 %  P     0.85 % P2O5
   Hydrogen          0.15 %  H     1.35 % H2O
   Oxygen           22.85 %  O
   Fluorine          7.17 %  F     7.17 % F
                      -   %   F    -3.02 % -O=F2    
                   ______        ______ 
                   100.00 %      100.02 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Y4.52REE6.82Ca2.65Na1.63Th0.19Sr0.02Ba0.01U0.01Fe3+0.74Ti0.19Li0.04Si6.71P0.32B2.94 Be0.01O34.02(OH)3.98F10.04
Help on Environment: Environment: Isolated unaltered miarolitic cavities of an alkaline granite.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Golden Horn Batholith, near Washington Pass, Okanongan County, Washington. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Okanoganite-(Y) + Pronunciation Say OKANOGANITE-(Y)