Mineral Information and Data:

Nolanite
(V3+,Fe3+,Fe2+,Ti)10O14(OH)2 [CNMNC approved formula]

Named for Thomas Brennan Nolan (1901-1992), formerly Director of the U. S. Geological Survey, Washington, D.C., USA.

IMA status : Valid species (Pre-IMA 1957) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
04.06.07.01  
  (04) Simple Oxides
  (04.06) not classified
  (04.06.07)
  
Nickel-Strunz
(10th edition) :
04.CB.40
  (04) Oxides and Hydroxides
  (04.C) Metal:Oxygen = 2:3, 3:5, and Similar
  (04.CB) With medium-sized cations
  
Crystal system: Hexagonal System
Point group (H-M): 6mm — dihexagonal-pyramidal
  
  
  

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