Mineral Information and Data:

Carmichaelite
(Ti,Cr,Fe)(O,OH)2 [CNMNC approved formula]

Named for Ian S. E. Charmchael, Professor of Geology at the University of California, Berkeley, in recognition.

IMA status : Approved Species 1996 ()
CLASSIFICATION 
Dana
(8th edition) :
08.07.13.01  
  (08) Multiple Oxides with Nb, Ta, and Ti
  (08.07)
  (08.07.13)
  
Nickel-Strunz
(10th edition) :
04.DB.50
  (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
  
  
  
Other Properties: H2O Soluble.

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