Mineral Information and Data:

Byelorussite-(Ce)
NaBa2Ce2Mn2+Ti2Si8O26(F,OH) • H2O [CNMNC approved formula]

Named for the occurrence in Belarus (formerly Byelorussia, USSR), and the "cerium" content.

IMA status : Approved Species 1989 ()
CLASSIFICATION 
Dana
(8th edition) :
60.01.01b.04  
  (60) Cyclosilicate Four-Membered Rings
  (60.01) as Titanosilicates
  (60.01.01b) Joaquinite group (Ortho-joaquinite subgroup)
  
Nickel-Strunz
(10th edition) :
09.CE.25
  (09) Silicates
  (09.C) Cyclosilicates
  (09.CE) [Si4O12]8- 4-membered single rings (vierer-Einfachringe), without insular complex anions
  
Crystal system: Orthorhombic System
Point group (H-M): 222 — disphenoidal
  
  
  

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