Database of Zeolite Structures
 

Framework Type FAR
Reference Material
  Material Name: Farneseite    
 
Chemical Formula:
 
|(Na,K)46 Ca10(SO4)12(H2O)6 | [Al42Si42O168]-FAR
 
   
Unit Cell:
 
hexagonal

 P 63/m (# 176)
    a' = 12.8784 Å b' = 12.8784 Å c' = 37.0078 Å  
    α' = 90.000° β' = 90.000° γ' = 120.000°  
   
Framework Density:
 
15.8 T/1000 Å3
 
 
Channels:
 
apertures formed by 6-rings only
Dimensionality
  Sorption (molecular cross section > 3.4Å): 0-dimensional
  Topological (pore opening > 6-ring): 0-dimensional
   
References:
  Cámara, F., Bellatreccia, F., Della Ventura, G. and Mottana, A.
  "Farneseite, a new mineral of the cancrinite-sodalite group with a 14-layer stacking sequence: occurrence and crystal structure"
Eur. J. Mineral., 17, 839-846 (2005)
 
 
Name and Code derivation:
    FarFarneseite
  FAR