Mineral Information and Data:

Chabourneite
Tl4Pb2(Sb,As)20S34 [CNMNC approved formula]

Named for the Chabourneou Glacier, near the locality.

IMA status : Approved Species 1976 ()
CLASSIFICATION 
Dana
(8th edition) :
03.08.12.01  
  (03) Sulfides - Sulfosalts
  (03.08) where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.08.12)
  
Nickel-Strunz
(10th edition) :
02.HC.05e
  (02) Sulfides
  (02.H) Sulfosalts of SnS Archetype
  (02.HC) With only Pb
  
Crystal system: Triclinic System
Point group (H-M): 1 — pedial
  
  
  

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