data_global _chemical_name_mineral 'Sanidine' loop_ _publ_author_name 'Taylor W' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 87 _journal_year 1934 _journal_page_first 464 _journal_page_last 481 _publ_section_title ; The structure of sanidine and other felspars _cod_database_code 1011187 ; _database_code_amcsd 0018062 _chemical_formula_sum 'O8 (Si3 Al) K' _cell_length_a 8.45 _cell_length_b 12.95 _cell_length_c 7.1 _cell_angle_alpha 90 _cell_angle_beta 116.1 _cell_angle_gamma 90 _cell_volume 697.709 _exptl_crystal_density_diffrn 2.650 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy O1 0.00000 0.13900 0.00000 1.00000 O2 0.65800 0.00000 0.23700 1.00000 O3 0.82100 0.15300 0.23700 1.00000 O4 0.00000 0.31900 0.25100 1.00000 O5 0.15200 0.12500 0.41700 1.00000 Si1 0.00000 0.18600 0.21700 0.75000 Si2 0.70200 0.11100 0.34700 0.75000 Al1 0.00000 0.18600 0.21700 0.25000 Al2 0.70200 0.11100 0.34700 0.25000 K1 0.29400 0.00000 0.13900 1.00000