Mineral Information and Data:

Clausthalite
PbSe [CNMNC approved formula]

Named after its locality : Lorenz Mine near Clausthal, Harz, Germany.

IMA status : Valid species (Pre-IMA 1832) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
02.08.01.02  
  (02) Sulfides - Including Selenides and Tellurides
  (02.08) where Am Bn Xp, with (m+n):p=1:1
  (02.08.01) Galena Group (Isometric: Fm3m)
  
Nickel-Strunz
(10th edition) :
02.CD.10
  (02) Sulfides
  (02.C) Metal Sulfides, M:S = 1:1 (and similar)
  (02.CD) With Sn, Pb, Hg, etc.
  
Crystal system: Cubic System
Point group (H-M): m3m (or 4/m 3 2/m) — hexoctahedral
  
  
  

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