Mineral Information and Data:

Cobaltpentlandite
Co9S8 [CNMNC approved formula]

Named for the cobalt content and the relationship with pentlandite.

IMA status : Approved Species 1959 ()
CLASSIFICATION 
Dana
(8th edition) :
02.07.01.03  
  (02) Sulfides - Including Selenides and Tellurides
  (02.07) where Am Bn Xp, with (m+n):p=9:8
  (02.07.01) Pentalndite Group (Isometric: Fm3m)
  
Nickel-Strunz
(10th edition) :
02.BB.15a
  (02) Sulfides
  (02.B) Metal Sulfides, M:S > 1:1 (mainly 2:1)
  (02.BB) With Ni, Fe
  
Crystal system: Cubic System
Point group (H-M): m3m (or 4/m 3 2/m) — hexoctahedral
  
  
  

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