Mineral Information and Data:

Strakhovite
NaBa3(Mn2+,Mn3+)4[Si4O10(OH)2][Si2O7]O2 • (F,OH) • H2O [CNMNC approved formula]

Named for N. M Strakhov (1900-1978), for his contributions to the study of sedimentary ore deposits and phosphorites.

IMA status : Approved Species 1994 ()
CLASSIFICATION 
Dana
(8th edition) :
64.03.02.01  
  (64) Cyclosilicates
  (64.03) 4-membered rings with [Si2O7] dimers
  (64.03.02)
  
Nickel-Strunz
(10th edition) :
09.CF.20
  (09) Silicates
  (09.C) Cyclosilicates
  (09.CF) [Si4O12]8- 4-membered single rings, with insular complex anions
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  

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