Mineral Information and Data:

Clinobarylite
BaBe2Si2O7 [CNMNC approved formula]

Named Non-orthogonal dimorph of barylite.

IMA status : Approved Species 2003 ()
CLASSIFICATION 
Dana
(8th edition) :
55.01.02.01  (This Dana# Added)
  (55) Sorosilicate Si2O7 Groups, Generally with No Additional Anions
  (55.01) with cations in [4] and higher coordination
  (55.01.02)
  
Nickel-Strunz
(10th edition) :
09.BB.15
  (09) Silicates
  (09.B) Sorosilicates (dimer) structures
  (09.BB) Si2O7 groups, without non-tetrahedral anions; cations in tetrahedral [4] and greater coordination
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  

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