Mineral Information and Data:

Pinchite
Hg5O4Cl2 [CNMNC approved formula]

Named for William Wallace Pinch (1940- ), American mineral collector of Rochester, New York, USA, who first noted the species.

IMA status : Approved Species 1974 ()
CLASSIFICATION 
Dana
(8th edition) :
10.05.03.01  
  (10) Oxyhalides and Hydroxyhalides
  (10.05) where Am (O,OH)p Xq
  (10.05.03)
  
Nickel-Strunz
(10th edition) :
03.DD.25
  (03) Halides
  (03.D) Oxyhalides, Hydroxyhalides and Related Double Halides
  (03.DD) With Hg
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  

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