Mineralogy Database

Bismutotantalite Mineral Data

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General Bismutotantalite Information

Help on Chemical Formula: Chemical Formula: Bi(Ta,Nb)O4
Help on Composition: Composition: Molecular Weight = 436.32 gm
   Tantalum  33.18 %  Ta   40.51 % Ta2O5
   Niobium    4.26 %  Nb    6.09 % Nb2O5
   Bismuth   47.90 %  Bi   53.40 % Bi2O3
   Oxygen    14.67 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: BiTa0.8Nb0.2O4
Help on Environment: Environment: In a pegmatite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1929
Help on Locality: Locality: Gamba Hill, Busiro Co., Uganda. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its composition (Bi, Ta).
Help on Name Pronunciation: Name Pronunciation: Bismutotantalite + Pronunciation Say BISMUTOTANTALITE