Mineral Information and Data:

Bismutotantalite
BiTaO4 [CNMNC approved formula]

Named for its composition (Bi, Ta).

IMA status : Valid species (Pre-IMA 1929) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
08.01.06.03  
  (08) Multiple Oxides with Nb, Ta, and Ti
  (08.01) where A BO4
  (08.01.06) Stibiocolumbite Group
  
Nickel-Strunz
(10th edition) :
04.DE.30
  (04) Oxides and Hydroxides
  (04.D) Metal:Oxygen = 1:2 and similar
  (04.DE) With medium-sized cations; with various polyhedra
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  

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