Mineral Information and Data:

Molysite
Fe3+Cl3 [CNMNC approved formula]

Named from the Greek for a stain, as it stains the host rock.

IMA status : Valid species (Pre-IMA 1868) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
09.03.01.01  
  (09) Anhydrous and Hydrated Halides
  (09.03)
  (09.03.01)
  
Nickel-Strunz
(10th edition) :
03.AC.10
  (03) Halides
  (03.A) Simple Halides, Without H2O
  (03.AC) M:X = 1:3
  
Crystal system: Trigonal System
Point group (H-M): 3 — rhombohedral
  
  
  

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