Mineral Information and Data:

Bicchulite
Ca2Al2SiO6(OH)2 [CNMNC approved formula]

Named for Bicchu, the town encompassing the Japanese type locality.

IMA status : Approved Species 1973 ()
CLASSIFICATION 
Dana
(8th edition) :
76.02.03.05  
  (76) Tectosilicate Al-Si Framework
  (76.02) Feldspathoids and related species
  (76.02.03) Sodalite group
  
Nickel-Strunz
(10th edition) :
09.FB.10
  (09) Silicates
  (09.F) Tektosilicates without Zeolitic H2O
  (09.FB) Tektosilicates with additional anions
  
Crystal system: Cubic System
Point group (H-M): 43m (or 4 3m) — hextetrahedral
  
  
  

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