Mineral Information and Data:

Fianelite
Mn2+2V2O7 • 2H2O [CNMNC approved formula]

Named after its locality: The Fianel mine, Val Ferrera, Canton Graubunden, Switzerland.

IMA status : Approved Species 1995 ()
CLASSIFICATION 
Dana
(8th edition) :
40.05.16.01  (This Dana# Added)
  (40) Hydrated Phosphates
  (40.05) with miscellaneous formulae
  (40.05.16)
  
Nickel-Strunz
(10th edition) :
08.FC.05
  (08) Phosphates, Arsenates, Vanadates
  (08.F) Polyphosphates, Polyarsenates, [4]-Polyvanadates
  (08.FC) Polyphosphates, etc., with H2O only
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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