Mineral Information and Data:

Bunsenite
NiO [CNMNC approved formula]

Named .

IMA status : Valid species (Pre-IMA 1868) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
04.02.01.02  
  (04) Simple Oxides
  (04.02) with a cation charge of 2+ (A++ O)
  (04.02.01) Periclase group (Isometric, Fm3m)
  
Nickel-Strunz
(10th edition) :
04.AB.25
  (04) Oxides and Hydroxides
  (04.A) Metal:Oxygen = 2.1 and 1:1
  (04.AB) M:O = 1:1 (and up to 1:1.25); with small to medium-sized cations only
  
Crystal system: Cubic System
Point group (H-M): m3m (or 4/m 3 2/m) — hexoctahedral
  
  
  

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