Mineral Information and Data:

Tantalaeschynite-(Y)  
Y(Ta,Ti,Nb)2O6 [CNMNC approved formula]

Named for its composition and from the Greek for "shame," in allusion to the inability of chemists, at the time of its discovery, to separate some of its constituents.

IMA status : Approved Species 1974 ()
CLASSIFICATION 
Dana
(8th edition) :
08.03.06.04  
  (08) Multiple Oxides with Nb, Ta, and Ti
  (08.03) where A (B2O6)
  (08.03.06) Aeschynite group
  
Nickel-Strunz
(10th edition) :
04.DF.05
  (04) Oxides and Hydroxides
  (04.D) Metal:Oxygen = 1:2 and similar
  (04.DF) With large (+- medium-sized) cations; dimers and trimers of edgesharing octahedra
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  
Other Properties: Radioactive.

<<< BACK TO MINERAL SEARCH