Mineral Information and Data:

Watkinsonite
PbCu2Bi4Se8 [CNMNC approved formula]

Named for David H. Watkinson (1937-), Canadian mineralogist.

IMA status : Approved Species 1987 ()
CLASSIFICATION 
Dana
(8th edition) :
03.07.18.01  
  (03) Sulfides - Sulfosalts
  (03.07) where z/y = 2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.07.18)
  
Nickel-Strunz
(10th edition) :
02.HB.20e
  (02) Sulfides
  (02.H) Sulfosalts of SnS Archetype
  (02.HB) With Cu, Ag, Fe, Sn and Pb
  
Crystal system: Monoclinic System
Point group (H-M): m — domatic
  
  
  

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