Mineral Information and Data:

Gustavite
AgPbBi3S6 [CNMNC approved formula]

Named for Gustav Hageman (1842-1916), Danish chemical engineer.

IMA status : Approved Species 1970 ()
CLASSIFICATION 
Dana
(8th edition) :
03.04.15.03  
  (03) Sulfides - Sulfosalts
  (03.04) where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.04.15) Lillianite Group (Orthorhombic, AmBnS6 where A=Pb, Ag, Mn and B=Sb, Bi)
  
Nickel-Strunz
(10th edition) :
02.JB.40a
  (02) Sulfides
  (02.J) Sulfosalts of PbS Archetype
  (02.JB) Galena derivatives, with Pb
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  

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