data_global _chemical_name_mineral 'Pyrosmalite-(Mn)' loop_ _publ_author_name 'Kashaev A A' _journal_name_full 'Soviet Physics Crystallography' _journal_volume 12 _journal_year 1968 _journal_page_first 923 _journal_page_last 924 _publ_section_title ; The crystal structure of pyrosmalite ; _database_code_amcsd 0018491 _chemical_compound_source 'Central Kazakhstan' _chemical_formula_sum 'Mn8 Si6 O24 Cl H9' _cell_length_a 13.37 _cell_length_b 13.37 _cell_length_c 7.11 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 1100.685 _exptl_crystal_density_diffrn 3.127 _symmetry_space_group_name_H-M 'P -3 m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-y,-x,z' 'y,-x+y,-z' '-x,-x+y,-z' '-x+y,-x,z' '-x+y,y,z' '-x,-y,-z' 'y,x,-z' '-y,x-y,z' 'x,x-y,z' 'x-y,x,-z' 'x-y,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Mn1 0.00000 0.00000 0.00000 Mn2 0.25000 0.00000 0.00000 Mn3 0.25000 0.75000 0.00000 Mn4 0.50000 0.00000 0.00000 Si 0.09700 0.43000 0.39300 O1 0.08300 0.41700 0.15500 O2 0.35400 0.00000 0.50000 O3 0.20800 0.79200 0.46500 O4 0.43100 0.56900 0.46500 O-H1 0.08300 0.91700 0.15500 O-H2 0.83300 0.16700 0.15500 O-H3 0.58300 0.41700 0.15500 Cl 0.33333 0.66667 0.15000