AM_Liottite Formula: Si18 Al18 O92 Ca6 K33 F.501 Cl3.5 S5.002 Name: Liottite Unit cell: 12.87 12.87 16.096 90.0 90.0 120.0 , V=2308.90 Space group: P-6 (174)

Ballirano P , Merlino S , Bonaccorsi E , Maras A , The Canadian Mineralogist , 34 (1996) p.1021-1030, The crystal structure of liottite, a six-layer member of the cancrinite group