Mineral Information and Data:

Ferrowyllieite
(Na,Ca,Mn2+)2Fe2+2Al(PO4)3 [CNMNC approved formula]

Named Dominant ferrous iron and relationship to wyllieite.

IMA status : Approved Species 1979 ()
CLASSIFICATION 
Dana
(8th edition) :
38.02.04.01  
  (38) Anhydrous Phosphates, etc
  (38.02) (A+ B++)5 (XO4)3
  (38.02.04) Alluaudite-Wyllieite Group (Wyllieite Subgroup)
  
Nickel-Strunz
(10th edition) :
08.AC.15
  (08) Phosphates, Arsenates, Vanadates
  (08.A) Phosphates, etc. without additional anions, without H2O
  (08.AC) With medium-sized and large cations
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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