Mineral Information and Data:

Graulichite-(Ce)
CeFe3+3(AsO4)2(OH)6 [CNMNC approved formula]

Named for Jean-Marie Graulich (1920-2001), Belgian mining engineer and Honorary Driector of the Geological survey of Belgium.

IMA status : Approved Species 2003 ()
CLASSIFICATION 
Dana
(8th edition) :
41.05.11.04  
  (41) Anhydrous Phosphates Containing Hydroxyl or Halogen
  (41.05) where (A B)2 (XO4) Zq
  (41.05.11) Arsenoflorencite Group
  
Nickel-Strunz
(10th edition) :
08.BL.13
  (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: Trigonal System
Point group (H-M): 3m (or 3 2/m) — hexagonal-scalenohedral
  
  
  

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