Mineral Information and Data:

Hanawaltite
Hg1+6Hg2+Cl2O3 [CNMNC approved formula]

Named for Dr. J. Donald Hanawalt (1903-1987), a pioneer in the field of X-ray powder diffraction.

IMA status : Approved Species 1996 ()
CLASSIFICATION 
Dana
(8th edition) :
10.05.13.01  
  (10) Oxyhalides and Hydroxyhalides
  (10.05) where Am (O,OH)p Xq
  (10.05.13)
  
Nickel-Strunz
(10th edition) :
03.DD.15
  (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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