Mineralogy Database

Yaroslavite Mineral Data

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General Yaroslavite Information

Help on Chemical Formula: Chemical Formula: Ca3Al2F10(OH)2•(H2O)
Help on Composition: Composition: Molecular Weight = 416.21 gm
   Calcium   28.89 %  Ca   40.42 % CaO
   Aluminum  12.97 %  Al   24.50 % Al2O3
   Hydrogen   0.97 %  H     8.66 % H2O
   Oxygen    11.53 %  O
   Fluorine  45.65 %  F    45.65 % F
               -   %   F   -19.22 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca3Al2F10(OH)2•(H2O)
Help on Environment: Environment: In banded fluorite-sellaite-tournaline ores.
Help on IMA Status: IMA Status: Approved IMA 1966
Help on Locality: Locality: Yaroslav, Siberia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Yaroslavite + Pronunciation Say YAROSLAVITE