Mineralogy Database

Yttrotungstite-(Y) Mineral Data

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General Yttrotungstite-(Y) Information

Help on Chemical  Formula: Chemical Formula: YW2O6(OH)3
Help on Composition: Composition: Molecular Weight = 598.35 gm
   Calcium           0.27 %  Ca    0.37 % CaO
   La,Ce,Pr,Nd,Sm,   9.15 %  RE   10.67 % REE2O3
   Yttrium           8.17 %  Y    10.38 % Y2O3
   Magnesium         0.08 %  Mg    0.13 % MgO
   Aluminum          0.45 %  Al    0.85 % Al2O3
   Iron              0.28 %  Fe    0.40 % Fe2O3
   Silicon           0.19 %  Si    0.40 % SiO2
   Hydrogen          0.51 %  H     4.52 % H2O
   Tungsten         56.84 %  W    71.68 % WO3
   Oxygen           24.07 %  O
                   ______        ______ 
                   100.00 %       99.41 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Y0.55REE0.38Ca0.04Mg0.02W1.85Al0.1Si0.04Fe3+0.03O6(OH)3
Help on Environment: Environment: In eluvial cassiterite mines, probably altered from wolframite or scheelite
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1950
Help on Locality: Locality: Kramat Pulai mine, Kinta District, Perak, Malaysia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition (Yttrium, Tungsten).
Help on Name Pronunciation: Name Pronunciation: Yttrotungstite-(Y) + Pronunciation Say YTTROTUNGSTITE-(Y)