data_global _chemical_name_mineral 'Russellite' loop_ _publ_author_name 'Hey M' 'Bannister F' _journal_name_full 'Mineralogical Magazine' _journal_volume 25 _journal_year 1938 _journal_page_first 41 _journal_page_last 55 _publ_section_title ; Russellite, a new British mineral _cod_database_code 1011215 ; _database_code_amcsd 0018084 _chemical_formula_sum 'Bi.562 W.2 O2' _cell_length_a 5.42 _cell_length_b 5.42 _cell_length_c 11.3 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 331.953 _exptl_crystal_density_diffrn 7.456 _symmetry_space_group_name_H-M 'I 41/a m d' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '-y,1/2-x,1/4+z' '1/2-y,-x,3/4+z' '1/2+y,1/2+x,1/2-z' '+y,+x,-z' '1/2+y,1/2-x,1/2-z' '+y,-x,-z' '-y,1/2+x,1/4+z' '1/2-y,+x,3/4+z' '1/2+x,1/2-y,1/2+z' '+x,-y,+z' '1/2-x,y,3/4-z' '-x,1/2+y,1/4-z' '1/2+x,y,3/4-z' '+x,1/2+y,1/4-z' '1/2-x,1/2-y,1/2+z' '-x,-y,+z' '1/2+y,x,3/4+z' '+y,1/2+x,1/4+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' '1/2+y,-x,3/4+z' '+y,1/2-x,1/4+z' '-x,y,z' '1/2-x,1/2+y,1/2+z' 'x,1/2-y,1/4-z' '1/2+x,-y,3/4-z' '-x,1/2-y,1/4-z' '1/2-x,-y,3/4-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Bi1 0.00000 0.00000 0.23000 0.56250 W1 0.00000 0.00000 0.23000 0.20000 O1 0.29000 0.25000 0.12500 1.00000