Mineral Information and Data:

Bertossaite
Li2CaAl4(PO4)4(OH)4 [CNMNC approved formula]

Named for Antonio Bertossa, director of the Geological Survey of Rwanda.

IMA status : Approved Species 1966 ()
CLASSIFICATION 
Dana
(8th edition) :
41.07.01.02  
  (41) Anhydrous Phosphates Containing Hydroxyl or Halogen
  (41.07) where (A B)m (XO4)4 Zq
  (41.07.01) Palermoite Group
  
Nickel-Strunz
(10th edition) :
08.BH.25
  (08) Phosphates, Arsenates, Vanadates
  (08.B) Phosphates, etc. with Additional Anions, without H2O
  (08.BH) With medium-sized and large cations, (OH,etc.):RO4 = 1:1
  
Crystal system: Orthorhombic System
Point group (H-M): Unknown — Unk
  
  
  

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