Mineralogy Database

Kumtyubeite Mineral Data

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General Kumtyubeite Information

Help on Chemical Formula: Chemical Formula: Ca5(SiO4)2F2
Help on Composition: Composition: Molecular Weight = 422.55 gm
   Calcium   47.42 %  Ca   66.36 % CaO
   Silicon   13.29 %  Si   28.44 % SiO2
   Oxygen    30.29 %  O
   Fluorine   8.99 %  F     8.99 % F
               -   %   F    -3.79 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca5(SiO4)2F2
Help on Environment: Environment: Fluorine-dominant counterpart of reinhardbraunsite
Help on IMA Status: IMA Status: Proposed IMA 2008 (Dana # Added)
Help on Locality: Locality: Kabardino-Balkaria, North Caucasus, Russia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Help on Synonym: Synonym: IMA2008-045