data_global _chemical_name_mineral 'Ferrocarpholite' loop_ _publ_author_name 'MacGillavry C H' 'Korst W L' 'Weichel Moore E J' 'van der Plas H J' _journal_name_full 'Acta Crystallographica' _journal_volume 9 _journal_year 1956 _journal_page_first 773 _journal_page_last 776 _publ_section_title ; The crystal structure of ferrocarpholite ; _database_code_amcsd 0017757 _chemical_compound_source 'west of Tomata, eastern Central Celebes, Indonesia' _chemical_formula_sum 'Fe Al2 Si2 (O10 H4)' _cell_length_a 13.77 _cell_length_b 20.18 _cell_length_c 5.109 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1419.682 _exptl_crystal_density_diffrn 3.088 _symmetry_space_group_name_H-M 'C c c a' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,1/2-y,1/2+z' '1/2+x,-y,1/2+z' '-x,y,-z' '1/2-x,1/2+y,-z' '-x,1/2+y,1/2+z' '1/2-x,+y,1/2+z' 'x,-y,-z' '1/2+x,1/2-y,-z' 'x,1/2+y,1/2-z' '1/2+x,+y,1/2-z' '-x,-y,z' '1/2-x,1/2-y,z' '-x,1/2-y,1/2-z' '1/2-x,-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Fe 0.00000 0.12500 0.00000 Al1 0.19000 0.00000 0.00000 Al2 0.00000 0.21100 0.50000 Si 0.19400 0.13000 0.65800 O-H1 0.09700 0.05600 0.16100 O2 0.20600 0.04700 0.66100 O3 0.25000 0.16300 0.91100 O4 0.08200 0.15100 0.66100 O-H5 0.06900 0.21800 0.16100