Mineral Information and Data:

Mandarinoite
Fe3+2(Se4+O3)3 • 6H2O [CNMNC approved formula]

Named for Joseph A. Mandarino of the Royal Ontario Museum in recognition of his work on selenites.

IMA status : Approved Species 1978 ()
CLASSIFICATION 
Dana
(8th edition) :
34.03.04.01  
  (34) Selenites - Tellurites - Sulfites
  (34.03)
  (34.03.04)
  
Nickel-Strunz
(10th edition) :
04.JH.15
  (04) Oxides and Hydroxides
  (04.J) Arsenites, Antimonites, Bismuthites, Sulfites,
  (04.JH) Selenites without additional anions, with H2O
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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