data_global _chemical_name_mineral 'Vesuvianite' loop_ _publ_author_name 'Ohkawa M' 'Yoshiasa A' 'Takeno S' _journal_name_full 'American Mineralogist' _journal_volume 77 _journal_year 1992 _journal_page_first 945 _journal_page_last 953 _publ_section_title ; Crystal chemistry of vesuvianite: Site preferences of square-pyramidal coordinated sites sample #4 from Chichibu ; _database_code_amcsd 0001540 _chemical_formula_sum 'Ca9.5 Mg.26 Fe.36 Al5.88 Si9 O39 H5' _cell_length_a 15.546 _cell_length_b 15.546 _cell_length_c 11.828 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 2858.569 _exptl_crystal_density_diffrn 3.364 _symmetry_space_group_name_H-M 'P 4/n n c' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,-x,1/2+z' 'y,x,1/2-z' '1/2+y,-x,-z' '1/2-y,x,z' '1/2+x,-y,1/2+z' '1/2-x,y,1/2-z' '1/2+x,1/2+y,-z' '1/2-x,1/2-y,z' '1/2+y,1/2+x,1/2+z' '1/2-y,1/2-x,1/2-z' '-y,1/2+x,-z' 'y,1/2-x,z' '-x,1/2+y,1/2+z' 'x,1/2-y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ca1 -0.25000 0.25000 0.25000 1.00000 Ca2 -0.18920 0.04490 0.37940 1.00000 Ca3 -0.10130 -0.18210 0.89070 1.00000 CaC 0.75000 0.75000 0.14940 0.50000 MgB 0.75000 0.75000 0.03650 0.26000 FeB 0.75000 0.75000 0.03650 0.24000 Al -0.11230 0.12110 0.12580 0.97000 Fe -0.11230 0.12110 0.12580 0.03000 AlA 0.00000 0.00000 0.00000 1.00000 Si1 0.75000 0.25000 0.00000 1.00000 Si2 -0.18070 0.04170 0.87140 1.00000 Si3 -0.08390 -0.15070 0.36450 1.00000 O1 -0.22050 0.17270 0.08480 1.00000 O2 -0.11730 0.16030 0.27970 1.00000 O3 -0.04720 0.22250 0.07550 1.00000 O4 -0.06140 0.10560 0.46960 1.00000 O5 -0.17100 0.01330 0.17780 1.00000 O6 -0.12200 -0.27340 0.05730 1.00000 O7 0.05510 0.17050 0.32050 1.00000 O8 -0.06040 -0.09090 0.06710 1.00000 O9 -0.14470 -0.14470 0.25000 1.00000 O-H10 0.75000 0.75000 0.86570 1.00000 O-H11 -0.00350 0.06090 0.13630 1.00000