Mineralogy Database

Faizievite Mineral Data

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General Faizievite Information

Help on Chemical Formula: Chemical Formula: K2Na(Ca6Na)Ti4Li6Si24O66F2
Help on Composition: Composition: Molecular Weight = 2,384.24 gm
   Potassium   3.23 %  K     3.89 % K2O
   Rubidium    0.11 %  Rb    0.12 % Rb2O
   Barium      0.23 %  Ba    0.26 % BaO
   Sodium      1.48 %  Na    1.99 % Na2O
   Strontium   0.62 %  Sr    0.74 % SrO
   Lithium     1.75 %  Li    3.76 % Li2O
   Calcium    10.35 %  Ca   14.49 % CaO
   Titanium    8.03 %  Ti   13.40 % TiO2
   Niobium     0.08 %  Nb    0.11 % Nb2O5
   Silicon    28.28 %  Si   60.51 % SiO2
   Oxygen     44.54 %  O
   Fluorine    1.30 %  F     1.30 % F
                -   %   F    -0.55 % -O=F2    
             ______        ______ 
             100.00 %      100.01 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K1.97Ba0.04Rb0.03Li6Na0.86Ca6.16Na0.67Sr0.17Ti4Nb0.02Si24.01O66F1.63O0.37
Help on Environment: Environment: Found in a quartz-pectolite boulder in moraine. Related to beryl-group and milarite-group minerals. Faizievite structure can be considered as alternating baratovite and berezanskite blocks alternating along [001].
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Dar-i-Pioz glacier, Alai mountain range, northern Tajikistan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Faiziev Abdulkhak Radzhabovitrh (b 1938), professor of the Academy of Sciences of the Republic of Tadjikistan, Dushanbe, Tadjikistan.
Help on Synonym: Synonym: IMA2006-037