Mineral Information and Data:

Fedorovskite
Ca2Mg2B4O7(OH)6 [CNMNC approved formula]

Named for Nikolai Mikhailovich Fedorovskii (1886-1956), eminent crystallographer and founder of the Russian Research Institute of Mineral Resources, Moscow, Russia.

IMA status : Approved Species 1976 ()
CLASSIFICATION 
Dana
(8th edition) :
25.04.01.02  
  (25) Anhydrous Borates Containing Hydroxyl or Halogen
  (25.04)
  (25.04.01)
  
Nickel-Strunz
(10th edition) :
06.DA.25
  (06) Borates
  (06.D) Tetraborates
  (06.DA) Neso-tetraborates
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  

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