Mineral Information and Data:

Gebhardite
Pb8As3+4O11Cl6 [CNMNC approved formula]

Named for Georg Gebhard (1945- ), German chemist, mineral collector, and authority on rare minerals, who supplied the specimen.

IMA status : Approved Species 1983 ()
CLASSIFICATION 
Dana
(8th edition) :
46.02.05.01  
  (46) Basic or Halogen-Containing Antimonites, Arsenites and Phosphites
  (46.02) with miscellaneous formulae
  (46.02.05)
  
Nickel-Strunz
(10th edition) :
04.JB.50
  (04) Oxides and Hydroxides
  (04.J) Arsenites, Antimonites, Bismuthites, Sulfites,
  (04.JB) Arsenites, antimonites, bismuthites; with additional anions, without H2O
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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