Mineral Information and Data:

Montbrayite
(Au,Sb)2Te3 [CNMNC approved formula]

Named Name for the locality: Robb-Montbray mine, Montbray, Abitibi County, Quebec, Canada.

IMA status : Valid species (Pre-IMA 1946) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
02.11.08.01  
  (02) Sulfides - Including Selenides and Tellurides
  (02.11) where Am Bn Xp, with (m+n):p=2:3
  (02.11.08)
  
Nickel-Strunz
(10th edition) :
02.DB.20
  (02) Sulfides
  (02.D) Metal Sulfides, M:S = 3:4 and 2:3
  (02.DB) M:S = 2:3
  
Crystal system: Triclinic System
Point group (H-M): 1 — pinacoidal
  
  
  

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