Mineral Information and Data:

Sinnerite
Cu6As4S9 [CNMNC approved formula]

Named for Rudolph von Sinner (1890-1960), President of the Commission of the Natural History Museum, Bern, Switzerland.

IMA status : Approved Species 1964 ()
CLASSIFICATION 
Dana
(8th edition) :
03.06.14.01  
  (03) Sulfides - Sulfosalts
  (03.06) where 2 < z/y < 2.49 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.06.14)
  
Nickel-Strunz
(10th edition) :
02.GC.10
  (02) Sulfides
  (02.G) Sulfarsenites, sulfantimonites, sulfbismuthites
  (02.GC) Poly-sulfarsenites
  
Crystal system: Triclinic System
Point group (H-M): 1 — pedial
  
  
  

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