Mineralogy Database

Tantalite-(Mn) Mineral Data

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General Tantalite-(Mn) Information

Help on Chemical  Formula: Chemical Formula: MnTa2O6
Help on Composition: Composition: Molecular Weight = 512.83 gm
   Tantalum   70.57 %  Ta   86.17 % Ta2O5
   Manganese  10.71 %  Mn   13.83 % MnO
   Oxygen     18.72 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+Ta2O6
Help on Environment: Environment: Pegmatites and alluvial deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1887
Help on Locality: Locality: Custer and Pennington Cos., South Dakota, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its chemical composition containing manganese and tantalum.
Help on Synonym: Synonym: Coltan
  Manganotantalite - Renamed to Tantalite-(Mn) by Mineralogical Record, v39 (2008), p 131