AM_Gismondine_7 Formula: Ca Al2 Si2 O10 H4 Name: Gismondine Unit cell: 13.902 8.892 13.952 90.0 90.0 90.0 , V=1724.70 Space group: P212121 (19)

Vezzalini G , Quartieri S , Alberti A , Zeolites , 13 (1993) p.34-42, Structural modifications induced by dehydration in the zeolite gismondine, Locality: Montalto di Castro, Italy, Sample: dehydration t = 24 hr