Mineral Information and Data:

Gianellaite
Hg4SO4N2 [CNMNC approved formula]

Named for Vincent Paul Gianella (1886-1983), Head of the Department of Geology, MacKay School of Mines, University of Nevada, Reno, Nevada, USA.

IMA status : Approved Species 1977 ()
CLASSIFICATION 
Dana
(8th edition) :
28.02.04.01  
  (28) Anhydrous Acid and Sulfates
  (28.02) (A+)2 XO4
  (28.02.04)
  
Nickel-Strunz
(10th edition) :
03.DD.30
  (03) Halides
  (03.D) Oxyhalides, Hydroxyhalides and Related Double Halides
  (03.DD) With Hg
  
Crystal system: Cubic System
Point group (H-M): 43m (or 4 3m) — hextetrahedral
  
  
  

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