AM_Garronite Formula: (Al1.5 Si2.5) O11.02 Ca.704 Na.2 H18 Name: Garronite Unit cell: 9.9266 9.9266 10.3031 90.0 90.0 90.0 , V=1015.24 Space group: I-4M2 (119)

Artioli G , American Mineralogist , 77 (1992) p.189-196, The crystal structure of garronite, sample from Goble, Oregon