Mineral Information and Data:

Samarskite-(Yb)
YbNbO4 [CNMNC approved formula]

Named as the Yb-dominant analogue of samarskite.

IMA status : Approved Species 2004 ()
CLASSIFICATION 
Dana
(8th edition) :
08.01.11.02  
  (08) Multiple Oxides with Nb, Ta, and Ti
  (08.01) where A BO4
  (08.01.11) Samarskite Group
  
Nickel-Strunz
(10th edition) :
04.DB.25
  (04) Oxides and Hydroxides
  (04.D) Metal:Oxygen = 1:2 and similar
  (04.DB) With medium-sized cations; chains of edge-sharing octahedra
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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