Mineral Information and Data:

Arsenovanmeerscheite  
U(UO2)3(AsO4)2(OH)6 • 4H2O [CNMNC approved formula]

Named by the Commission on New Minerals, Nomenclature and Classification (CNMNC).

IMA status : Approved Species 2007 (IMA2006-018)
CLASSIFICATION 
Dana
(8th edition) :
42.07.14.03  
  (42) Hydrated Phosphates Containing Hydroxyl or Halogen
  (42.07) where (AB)5 (XO4)3 Zq · x(H2O)
  (42.07.14) Vanmeersscheite Group
  
Nickel-Strunz
(10th edition) :
08.EC.20
  (08) Phosphates, Arsenates, Vanadates
  (08.E) Uranyl Phosphates and Arsenates
  (08.EC) UO2:RO4 = 3:2
  
Crystal system: Orthorhombic System
Point group (H-M): 222 — disphenoidal
Unit cell: a = 17.36Å, b = 16.96Å, c = 7.02Å
  
  
  
Other Properties: Radioactive.

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