Mineralogy Database

Bastnasite-(Y) Mineral Data

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General Bastnasite-(Y) Information

Help on Chemical  Formula: Chemical Formula: Y(CO3)F
Help on Composition: Composition: Molecular Weight = 167.91 gm
   Yttrium   52.95 %  Y    67.24 % Y2O3
   Carbon     7.15 %  C    26.21 % CO2
   Oxygen    28.59 %  O
   Fluorine  11.31 %  F    11.31 % F
               -   %   F    -4.76 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Y(CO3)F
Help on IMA Status: IMA Status: Approved IMA 1970
Help on Locality: Locality: Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Y end member and after the Bastnas Mine, Riddarhyttan, Vastmanland, Sweden.
Help on Name Pronunciation: Name Pronunciation: Bastnasite-(Y) + Pronunciation Say BASTNASITE-(Y)
Help on Synonym: Synonym: Hamartite