Mineral Information and Data:

Biachellaite
(Na,Ca,K)8(Si6Al6)O24(SO4)2(OH)0.5 • H2O [CNMNC approved formula]

Named Commission on New Minerals, Nomenclature and Classification (CNMNC).

IMA status : Approved Species 2007 ()
CLASSIFICATION 
Dana
(8th edition) :
76.02.05.20  (This Dana# Added)
  (76) Tectosilicate Al-Si Framework
  (76.02) Feldspathoids and related species
  (76.02.05) Cancrinite group
  
Nickel-Strunz
(10th edition) :
09.FB.05
  (09) Silicates
  (09.F) Tektosilicates without Zeolitic H2O
  (09.FB) Tektosilicates with additional anions
  
Crystal system: Trigonal System
Point group (H-M): 3 — pyramidal
  
  
  

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