Mineral Information and Data:

Griphite
Ca(Mn2+,Na,Li)6Fe2+Al2(PO4)6(F,OH)2 [CNMNC approved formula]

Named From the Greek for "enigma", as the chemical composition was originally puzzling.

IMA status : Valid species (Pre-IMA 1891) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
41.09.03.01  
  (41) Anhydrous Phosphates Containing Hydroxyl or Halogen
  (41.09) where (A B)5 (XO4)3 Zq
  (41.09.03)
  
Nickel-Strunz
(10th edition) :
08.BF.15
  (08) Phosphates, Arsenates, Vanadates
  (08.B) Phosphates, etc. with Additional Anions, without H2O
  (08.BF) With medium-sized and large cations, (OH, etc.):RO4< 0.5:1
  
Crystal system: Cubic System
Point group (H-M): m3 (or 2/m 3) — diploidal
  
  
  

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