AM_Gismondine_5 Formula: Ca Al2 Si2 O12.303 H8.606 Name: Gismondine Unit cell: 10.011 10.614 9.853 90.0 93.11 90.0 , V=1045.41 Space group: P121/C1 (14)

Artioli G , Rinaldi R , Kvick A , Smith J V , Zeolites , 6 (1986) p.361-366, Neutron diffraction structure refinement of the zeolite gismondine at 15 K, Locality: synthetic, Sample: T = 15 K