Mineralogy Database

Moskvinite-(Y) Mineral Data

Search Webmineral :
  

General Moskvinite-(Y) Information

Help on Chemical Formula: Chemical Formula: Na2K(Y,REE) [Si6O15]
Help on Composition: Composition: Molecular Weight = 598.41 gm
   Potassium    6.21 %  K     7.48 % K2O
   Sodium       7.91 %  Na   10.67 % Na2O
   Samarium     0.50 %  Sm    0.58 % Sm2O3
   Gadolinium   1.05 %  Gd    1.21 % Gd2O3
   Dysprosium   2.44 %  Dy    2.80 % Dy2O3
   Yttrium     11.44 %  Y    14.53 % Y2O3
   Holmium      0.55 %  Ho    0.63 % Ho2O3
   Erbium       1.12 %  Er    1.28 % Er2O3
   Terbium      0.27 %  Tb    0.31 % Tb2O3
   Silicon     28.16 %  Si   60.24 % SiO2
   Neodymium    0.24 %  Nd    0.28 % Nd2O3
   Oxygen      40.11 %  O
              ______        ______ 
              100.00 %      100.01 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2.06K0.95Y0.77Dy0.09Gd0.04Er0.04Ho0.02Sm0.02Nd0.01Tb0.01Si6O15
Help on Environment: Environment: Coarse-grained reedmergnerite pegmatite boulder in the moraine. K and REE analogue of Na3 Y [Si6O15] - 3 membered double ring.
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Moraine of the Dara-i-Pioz glacier, Alai mountain ridge, Tien-Shan Mountains, northern Tajikistan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for A.V. Moskvin (1897-1974), Russian geologist.
Help on Synonym: Synonym: IMA2002-031