LEV
Framework Type LEV
Type Material
 Material Name: Levyne
 Chemical Formula: |Ca2+9 (H2O)50| [Al18Si36 O108]-LEV
 Unit Cell:  
  trigonalR-3m (# 166)
  a = 13.338Åb = 13.338Åc = 23.014Å
  α = 90 °β = 90 °γ = 120 °
 Framework density: 15.2 T/1000 Å3
 Channels: [001] 8 3.6 x 4.8** (2-dimensional)
 
 
 
8-ring viewed normal to [001]
 
  
 
 
 References:
  Barrer, R.M. and Kerr, I.S."Intracrystalline channels in levynite and some related zeolites", Trans. Faraday Soc., 55, 1915-1923 (1959)
Merlino, S., Galli, E. and Alberti, A."The crystal structure of Levyne", Tschermaks Min. Petr. Mitt., 22, 117-129 (1975)

Copyright © 2007 Structure Commission of the International Zeolite Association (IZA-SC)