Mineral Information and Data:

Burangaite
NaFe2+Al5(PO4)4(OH)6 • 2H2O [CNMNC approved formula]

Named for the locality: Buranga pegmatite, near Gatumba, Rwanda.

IMA status : Approved Species 1977 ()
CLASSIFICATION 
Dana
(8th edition) :
42.09.01.01  
  (42) Hydrated Phosphates Containing Hydroxyl or Halogen
  (42.09) where (A)3 (XO4)2 Zq · x(H2O)
  (42.09.01) Burangaite Group
  
Nickel-Strunz
(10th edition) :
08.DK.15
  (08) Phosphates, Arsenates, Vanadates
  (08.D) Phosphates, etc
  (08.DK) With large and medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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