Mineral Information and Data:

Vimsite
CaB2O2(OH)4 [CNMNC approved formula]

Named for the 50th anniversary of the All-Union Scientific Research Institute of Mineral Resources [an acronym for Vses. Nauch.-Issled. Inst. Mineral. Syrya], Moscow, Russia.

IMA status : Approved Species 1968 ()
CLASSIFICATION 
Dana
(8th edition) :
25.01.05.01  
  (25) Anhydrous Borates Containing Hydroxyl or Halogen
  (25.01)
  (25.01.05)
  
Nickel-Strunz
(10th edition) :
06.BC.15
  (06) Borates
  (06.B) Diborates
  (06.BC) Ino-diborates with triangles and/or tetrahedra
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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