Mineralogy Database

Keiviite-(Y) Mineral Data

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General Keiviite-(Y) Information

Help on Chemical  Formula: Chemical Formula: (Y,Yb)2Si2O7
Help on Composition: Composition: Molecular Weight = 388.05 gm
   Yttrium    34.37 %  Y    43.64 % Y2O3
   Ytterbium  22.30 %  Yb   25.39 % Yb2O3
   Silicon    14.48 %  Si   30.97 % SiO2
   Oxygen     28.86 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Y1.5Yb0.5Si2O7
Help on Environment: Environment: In fissures in quartz and fluorite in \amazonite" pegmatites.
Help on IMA Status: IMA Status: Approved IMA 1985
Help on Locality: Locality: Mt. Ploskaya, Keivy massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the relation to keiviite-(Yb) and the yttrium content.
Help on Name Pronunciation: Name Pronunciation: Keiviite-(Y) Say KEIVIITE-(Y)