Mineralogy Database

Vinogradovite Mineral Data

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General Vinogradovite Information

Help on Chemical  Formula: Chemical Formula: (Na,K)4Ti4(Si,Al)8O26•3(H2O,Na)
Help on Composition: Composition: Molecular Weight = 976.77 gm
   Potassium   1.20 %  K     1.45 % K2O
   Barium      1.41 %  Ba    1.57 % BaO
   Sodium      9.89 %  Na   13.33 % Na2O
   Titanium   18.14 %  Ti   30.26 % TiO2
   Niobium     0.95 %  Nb    1.36 % Nb2O5
   Aluminum    3.87 %  Al    7.31 % Al2O3
   Iron        1.14 %  Fe    1.63 % Fe2O3
   Silicon    18.98 %  Si   40.60 % SiO2
   Hydrogen    0.21 %  H     1.84 % H2O
   Oxygen     44.23 %  O
             ______        ______ 
             100.00 %       99.34 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na4.2K0.3Ba0.1Ti3.7Fe3+0.2Nb0.1Si6.6Al1.4O26�(H2O)
Help on Environment: Environment: Late-stage hydrothermal mineral in cavities and veins, and replacing Ti-bearing minerals, in alkalic pegmatites in differentiated alkalic massifs.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1956
Help on Locality: Locality: In the Khibiny and Lovozero massifs, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Alexander Pavlovich Vinogradov, Russian geochemist.
Help on Name Pronunciation: Name Pronunciation: Vinogradovite + Pronunciation Say VINOGRADOVITE