Mineral Information and Data:

Giniite
Fe2+Fe3+4(PO4)4(OH)2 • 2H2O [CNMNC approved formula]

Named by Paul Keller for his wife, Gini Keller.

IMA status : Approved Species 1980 ()
CLASSIFICATION 
Dana
(8th edition) :
42.11.07.01  
  (42) Hydrated Phosphates Containing Hydroxyl or Halogen
  (42.11) where (AB)4 (XO4)3 Zq · x(H2O)
  (42.11.07)
  
Nickel-Strunz
(10th edition) :
08.DB.5
  (08) Phosphates, Arsenates, Vanadates
  (08.D) Phosphates, etc
  (08.DB) With only medium-sized cations, (OH, etc.):RO4< 1:1
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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