data_global _chemical_name_mineral 'Garronite-Ca' loop_ _publ_author_name 'Artioli G' _journal_name_full 'American Mineralogist' _journal_volume 77 _journal_year 1992 _journal_page_first 189 _journal_page_last 196 _publ_section_title ; The crystal structure of garronite ; _database_code_amcsd 0001443 _chemical_compound_source 'Fara Vicentina, Italy' _chemical_formula_sum '(Al.75 Si1.25) O5.57 Ca.436 H3.14' _cell_length_a 9.8712 _cell_length_b 9.8712 _cell_length_c 10.2987 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1003.511 _exptl_crystal_density_diffrn 2.186 _symmetry_space_group_name_H-M 'I -4 m 2' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' 'y,x,-z' '1/2+y,1/2+x,1/2-z' 'y,-x,-z' '1/2+y,1/2-x,1/2-z' 'x,-y,z' '1/2+x,1/2-y,1/2+z' '-x,-y,z' '1/2-x,1/2-y,1/2+z' '-y,-x,-z' '1/2-y,1/2-x,1/2-z' '-y,x,-z' '1/2-y,1/2+x,1/2-z' '-x,y,z' '1/2-x,1/2+y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Al1 0.15500 0.15500 0.50000 0.37500 0.02500 Si1 0.15500 0.15500 0.50000 0.62500 0.02500 Al2 0.34000 0.16000 0.25000 0.37500 0.01800 Si2 0.34000 0.16000 0.25000 0.62500 0.01800 O11 0.15000 0.00000 0.55000 1.00000 0.02900 O12 0.30000 0.00000 0.23000 1.00000 0.02000 O2 0.29100 0.26000 0.12700 1.00000 0.08400 Ca1 0.00000 0.40700 0.08000 0.26200 0.04000 Ca2 0.00000 0.20600 0.08600 0.17400 0.04900 Wat1 0.00000 0.00000 0.12400 0.59000 0.03000 Wat1b 0.00000 0.00000 0.22000 0.19000 0.14000 Wat2 0.15700 0.43300 0.22800 0.59000 0.04300