Mineral Information and Data:

Boralsilite
Al16B6O30(Si2O7) [CNMNC approved formula]

Named after its composition of (bor}on, (al)uminum, and (sil)icon.

IMA status : Approved Species 1998 ()
CLASSIFICATION 
Dana
(8th edition) :
56.03.03.01  (This Dana# Added)
  (56) Sorosilicate Si2O7 Groups and O, OH, F. and H2O
  (56.03) with [Si2O7] with borate groups
  (56.03.03)
  
Nickel-Strunz
(10th edition) :
09.BD.30
  (09) Silicates
  (09.B) Sorosilicates (dimer) structures
  (09.BD) Si2O7 groups, with additional anions; cations in tetrahedral [4] and greater coordination
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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