Citation: Beevers, C. A.; Ross, M. A. S. (1937). The crystal structure of "\b alumina" Na~2~O · 11(Al~2~O~3~). Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik,Kristallchemie (-144,1977), 97, pp. 59-66.
Formula: Al11 Na O17
Chemical name: Sodium 11-aluminium oxide
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al22 O34 (Al11 O17)
Multiplicity: 1
Coordination sequences: