Mineral Information and Data:

Fervanite
Fe3+4V5+4O16 • 5H2O [CNMNC approved formula]

Named for its composition.

IMA status : Valid species (Pre-IMA 1931) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
47.03.04.01  
  (47) Vanadium Oxysalts
  (47.03) (Hydrated)
  (47.03.04)
  
Nickel-Strunz
(10th edition) :
04.HG.05
  (04) Oxides and Hydroxides
  (04.H) V[5+,6+] Vanadates
  (04.HG) Unclassified V oxides
  
Crystal system: Monoclinic System
Point group (H-M): Unknown — Unk
  
  
  

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