Mineralogy Database

Telyushenkoite Mineral Data

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General Telyushenkoite Information

Help on Chemical  Formula: Chemical Formula: CsNa6[Be2(Si,Al)18O39F2]
Help on Composition: Composition: Molecular Weight = 1,433.11 gm
   Cesium      6.40 %  Cs    6.78 % Cs2O
   Potassium   0.38 %  K     0.46 % K2O
   Rubidium    0.06 %  Rb    0.07 % Rb2O
   Sodium     10.11 %  Na   13.62 % Na2O
   Beryllium   1.28 %  Be    3.56 % BeO
   Aluminum    3.88 %  Al    7.33 % Al2O3
   Zinc        1.37 %  Zn    1.70 % ZnO
   Silicon    30.30 %  Si   64.82 % SiO2
   Oxygen     43.36 %  O
   Fluorine    2.86 %  F     2.86 % F
                -   %   F    -1.21 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cs0.69Na0.3K0.14Rb0.01Na6Be2.04Si15.46Al2.06Zn0.3O38.84F2.16
Help on Environment: Environment: In reedmergnerite boulders on the moraine of the Dara-i-Pioz glacier. (related to leifite; structure)
Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Moraine of the Darai-Pioz glacier in northern Tajikistan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Tamara Matveyevna Telyushenko (1930´┐Ż1997), a petrographer who made major contributions to knowledge of the geology of Central Asia and who headed the Young Geologists´┐Ż Sch ool of Ashkhabad for over thirty years
Help on Synonym: Synonym: IMA2001-012