Mineralogy Database

Labuntsovite-Mn Mineral Data

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General Labuntsovite-Mn Information

Help on Chemical Formula: Chemical Formula: Na4K4(Ba,K)(Mn,Fe)1+x(Ti,Nb)8[Si4O12]4(O,OH)8•n(H2O), n=10-12
Help on Composition: Composition: Molecular Weight = 2,232.12 gm
   Potassium   5.96 %  K     7.17 % K2O
   Barium      8.00 %  Ba    8.93 % BaO
   Sodium      2.37 %  Na    3.19 % Na2O
   Calcium     0.90 %  Ca    1.26 % CaO
   Magnesium   0.22 %  Mg    0.36 % MgO
   Titanium   15.44 %  Ti   25.77 % TiO2
   Manganese   1.72 %  Mn    2.22 % MnO
   Niobium     0.83 %  Nb    1.19 % Nb2O5
   Aluminum    0.73 %  Al    1.37 % Al2O3
   Iron        1.00 %  Fe    1.43 % Fe2O3
   Silicon    18.37 %  Si   39.30 % SiO2
   Hydrogen    0.87 %  H     7.79 % H2O
   Oxygen     43.59 %  O
             ______        ______ 
             100.00 %       99.99 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K3.4Na2.3Ba1.3Mn2+0.7Ca0.5Ti7.2Fe3+0.4Nb0.2Mg0.2Si14.6Al0.6O46.32(OH)9.7�4.8(H2O)
Help on Environment: Environment: A hydrothermal alteration product of murmanite in alkalic pegmatites in a differentiated alkalic massif and in carbonatite. Renamed labunsovite in 1955 from titanoelpidite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1926 (Dana # Changed from 60.1.3.2)
Help on Locality: Locality: In the Lovozero, Khibiny, and Kovdor massifs and the Vuoriyarvi carbonatite complex, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Aleksander Nikolaevich Labuntsov and Ekaterina Eutikhieva Labuntsov-Kostyleva, Russian mineralogists.
Help on Name Pronunciation: Name Pronunciation: Labuntsovite-Mn + Pronunciation Say LABUNTSOVITE-MN
Help on Synonym: Synonym: IMA2000-A
  Labuntsovite - (60.1.3.2)
  Titanoelpidite