AM_Giuseppettite
Formula: Na21.256 K8.076 Ca2.665 Si24 Al24 O118.45 S5 Cl H10
Name: Giuseppettite
Unit cell: 12.856 12.856 42.256 90.0 90.0 120.0 , V=6048.26
Space group: P31C (159)

Bonaccorsi E , Microporous and Mesoporous Materials , 73 (2004) p.129-136, The crystal structure of giuseppettite, the 16-layer member of the cancrinite-, sodalite group, Locality: Sacrofano, Biachella Valley, Latium, Italy