Mineral Information and Data:

Vinogradovite
(Na,Ca,K)5(Ti,Nb)4(Si6BeAl)O26 • 3H2O [CNMNC approved formula]

Named for Alexander Pavlovich Vinogradov, Russian geochemist.

IMA status : Valid species (Pre-IMA 1956) Grandfathered
CLASSIFICATION 
Dana
(8th edition) :
68.01.02.01  
  (68) Inosilicate Structures with Chains of More Than One Width
  (68.01)
  (68.01.02)
  
Nickel-Strunz
(10th edition) :
09.DB.25
  (09) Silicates
  (09.D) Inosilicates* Structural terminology per Liebau (1985)
  (09.DB) with 2-periodic single chains, Si2O6; Pyroxene-related minerals
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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