Citation: Mortier, W.J.; Smith, J.V.; Pluth, J.J. (1976). Positions of cations and molecules in zeolites with the mordenite-type framework, III. Rehydrated Ca-exchanged ptilolite. Materials Research Bulletin, 11, pp. 15-22.
Formula: Al7.4 Ca3.4 H62 O127 Si40.6
Chemical name: Ca3.4 (Al7.4 Si40.6 O96) (H2 O)31
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al48 O96 Si48 (Al O2 Si)
Multiplicity: 1