Database of Zeolite Structures
 

Framework Type -RON
Reference Material
  Material Name: Roggianite    
 
Chemical Formula:		  
|Ca16 (H2O)19 | [Be8Al16Si32O104(OH)16]--RON		  
   
Unit Cell: 		 
tetragonal
 I 4/m c m (# 140)
    a' = 18.3300 Å b' = 18.3300 Å c' = 9.1600 Å  
    α' = 90.000° β' = 90.000° γ' = 90.000°  
   
Framework Density: 		 
18.2 T/1000 Å3
 
  
Channels: 		 
[001] 12 4.3 x 4.3*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 1-dimensional
   
References:
  Giuseppetti, G., Mazzi, F., Tadini, C. and Galli, E.
  "The revised crystal structure of roggianite: Ca2[Be(OH)2Al2Si4O13]·2.5H2O"
N. Jb. Miner. Mh., 7, 307-314 (1991)
 
  
Name and Code derivation:
    Roggianite
  -RON
Limiting Rings
 
12-ring viewed along [001]


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