AM_Garronite_1
Formula: (Al.75 Si1.25) O5.57 Ca.436 H4.63
Name: Garronite
Unit cell: 9.8712 9.8712 10.2987 90.0 90.0 90.0 , V=1003.51
Space group: I-4M2 (119)

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