Mineralogy Database

Voronkovite Mineral Data

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General Voronkovite Information

Help on Chemical Formula: Chemical Formula: Na15(Na,Ca,Ce)3(Mn,Ca)3Fe3Zr3Si26O72(OH,O)4Cl•H2O
Help on Composition: Composition: Molecular Weight = 3,126.11 gm
   Potassium   0.24 %  K     0.29 % K2O
   Sodium     11.83 %  Na   15.94 % Na2O
   Strontium   1.51 %  Sr    1.79 % SrO
   Calcium     2.22 %  Ca    3.10 % CaO
   Lanthanum   0.80 %  La    0.94 % La2O3
   Cerium      1.17 %  Ce    1.36 % Ce2O3
   Hafnium     0.23 %  Hf    0.27 % HfO2
   Zirconium  10.51 %  Zr   14.19 % ZrO2
   Titanium    0.20 %  Ti    0.33 % TiO2
   Manganese   3.62 %  Mn    4.67 % MnO
   Niobium     0.62 %  Nb    0.89 % Nb2O5
   Aluminum    0.08 %  Al    0.15 % Al2O3
   Iron        2.75 %  Fe    3.54 % FeO
   Silicon    23.28 %  Si   49.80 % SiO2
   Hydrogen    0.18 %  H     1.57 % H2O
   Neodymium   0.60 %  Nd    0.70 % Nd2O3
   Chlorine    0.44 %  Cl    0.44 % Cl
                -   %   Cl   -0.10 % -O=Cl2   
   Oxygen     39.53 %  O
   Fluorine    0.21 %  F     0.21 % F
                -   %   F    -0.09 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na13.96Sr0.54K0.19Na1.64Ca0.92Ce0.26La0.18Mn2+2.06Ca0.81Nd0.13Fe2+1.54Zr0.6Na0.48 Nb0.21Ti0.13Hf0.04Zr3Si1.91Al0.09�1.23(H2O)
Help on Environment: Environment: Found in the hyperagpaitic pegmatite body. Eudialyte group.
Help on IMA Status: IMA Status: Approved IMA 2007 (Dana # Added)
Help on Locality: Locality: Mt. Alluaiv, Lovozero alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Alexander A. Voronkov (1928-1982), a prominent Russian crystallographer.
Help on Synonym: Synonym: IMA2007-023