Mineral Information and Data:

Calcioferrite
Ca4MgFe3+4(PO4)6(OH)4 • 12H2O [CNMNC approved formula]

Named for its composition.

IMA status : Valid species (Pre-IMA 1858) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
42.11.08.03  
  (42) Hydrated Phosphates Containing Hydroxyl or Halogen
  (42.11) where (AB)4 (XO4)3 Zq · x(H2O)
  (42.11.08) Montgomeryite group
  
Nickel-Strunz
(10th edition) :
08.DH.25
  (08) Phosphates, Arsenates, Vanadates
  (08.D) Phosphates, etc
  (08.DH) With large and medium-sized cations, (OH, etc.):RO4 < 1:1
  
Crystal system: Monoclinic System
Point group (H-M): 2 — sphenoidal
  
  
  

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