Mineral Information and Data:

Goldfieldite
Cu10Te4S13 [CNMNC approved formula]

Named after its locality: Mohawk mine, Goldfield, Esmeralda County., Nevada, USA.

IMA status : Approved Species 1909 ()
CLASSIFICATION 
Dana
(8th edition) :
03.03.06.06  
  (03) Sulfides - Sulfosalts
  (03.03) where 3 < z/y < 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.03.06) Tetrahedrite Group (Isometric: I-43m)
  
Nickel-Strunz
(10th edition) :
02.GB.05
  (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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