Mineral Information and Data:

Piretite  
Ca(UO2)3(Se4+O3)2(OH)4 • 4H2O [CNMNC approved formula]

Named for Dr. Paul Piret (1932- ), Professor of Crystallography, University of Louvain-la-Neuve, Belgium.

IMA status : Approved Species 1996 ()
CLASSIFICATION 
Dana
(8th edition) :
34.07.03.02  (This Dana# Added)
  (34) Selenites - Tellurites - Sulfites
  (34.07)
  (34.07.03)
  
Nickel-Strunz
(10th edition) :
04.JJ.15
  (04) Oxides and Hydroxides
  (04.J) Arsenites, Antimonites, Bismuthites, Sulfites,
  (04.JJ) Selenites with additional anions, with H2O
  
Crystal system:  
Point group (H-M):
  
  
  
Other Properties: Radioactive.
Comments: Radioactive.

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