AM_Lisetite Formula: Ca.98 Na1.97 (Al3.96 Si4.04) O16 Name: Lisetite Unit cell: 8.26 17.086 9.654 90.0 90.0 90.0 , V=1362.47 Space group: PBC21 (29)

Rossi G , Oberti R , Smith D C , American Mineralogist , 71 (1986) p.1378-1383, Crystal structure of lisetite, CaNa2Al4Si4O16