Mineral Information and Data:

Vladimirite
Ca5(AsO4)2(AsO3OH)2 • 5H2O [CNMNC approved formula]

Named for the locality: Vladimirovskoye cobalt deposit, Altai Mountains, and the Khovu-Aksy Ni-Co deposit, Tuva, Siberia, Russia.7.

IMA status : Approved Species 1953 ()
CLASSIFICATION 
Dana
(8th edition) :
39.02.02.01  
  (39) Hydrated Acid Phosphates
  (39.02) H2 (AB)5 (XO4)4 · x(H2O)
  (39.02.02)
  
Nickel-Strunz
(10th edition) :
08.CJ.25
  (08) Phosphates, Arsenates, Vanadates
  (08.C) Phosphates without Additional Anions, with H2O
  (08.CJ) With only large cations
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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