Mineral Information and Data:

Vistepite
Mn4SnB2O2(Si2O7)2(OH)2 [CNMNC approved formula]

Named for Victor Ivanovich Stepanov (1924-1988), mineralogist, A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia.

IMA status : Approved Species 1992 ()
CLASSIFICATION 
Dana
(8th edition) :
78.01.10.01  
  (78) Unclassified silicates
  (78.01) possible nesosilicates
  (78.01.10)
  
Nickel-Strunz
(10th edition) :
09.BD.25
  (09) Silicates
  (09.B) Sorosilicates (dimer) structures
  (09.BD) Si2O7 groups, with additional anions; cations in tetrahedral [4] and greater coordination
  
Crystal system: Triclinic System
Point group (H-M): 1 — pinacoidal
  
  
  

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