Mineral Information and Data:

Viitaniemiite
NaCaAlPO4F3 [CNMNC approved formula]

Named for the locality: Viitaniemi granite pegmatite, Erajarvi, Orivesi, Finland.

IMA status : Approved Species 1981 ()
CLASSIFICATION 
Dana
(8th edition) :
41.03.05.01  
  (41) Anhydrous Phosphates Containing Hydroxyl or Halogen
  (41.03) where (A B)3 (XO4) Zq
  (41.03.05)
  
Nickel-Strunz
(10th edition) :
08.BL.15
  (08) Phosphates, Arsenates, Vanadates
  (08.B) Phosphates, etc. with Additional Anions, without H2O
  (08.BL) With medium-sized and large cations, (OH, etc.):RO4 = 3:1
  
Crystal system: Monoclinic System
Point group (H-M): Unknown — Unk
  
  
  

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