Mineral Information and Data:

Galkhaite
(Cs,Tl,[])(Hg,Cu,Zn)6(As,Sb)4S12 [CNMNC approved formula]

Named for the locality: In the mercury deposits of Gal-Khaya, Yakutia, and Khaidarkan, Kirgizia, Russia.

IMA status : Approved Species 1972 ()
CLASSIFICATION 
Dana
(8th edition) :
03.04.14.01  
  (03) Sulfides - Sulfosalts
  (03.04) where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.04.14)
  
Nickel-Strunz
(10th edition) :
02.GB.20
  (02) Sulfides
  (02.G) Sulfarsenites, sulfantimonites, sulfbismuthites
  (02.GB) Neso-sulfarsenites, etc. with additional S
  
Crystal system: Cubic System
Point group (H-M): 43m (or 4 3m) — hextetrahedral
  
  
  

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