data_global _chemical_name_mineral 'Sanidine' loop_ _publ_author_name 'Ferguson R B' 'Ball N A' 'Cerny P' _journal_name_full 'The Canadian Mineralogist' _journal_volume 29 _journal_year 1991 _journal_page_first 543 _journal_page_last 552 _publ_section_title ; Structure refinement of an adularian end-member high sanidine from the Buck Claim Pegmatite, Bernic Lake, Manitoba Sample: IV Note: variety adularia ; _database_code_amcsd 0005273 _chemical_compound_source 'Buck Claim Pegmatite, Bernic Lake, Manitoba, Canada' _chemical_formula_sum 'K (Si3 Al) O8' _cell_length_a 8.606 _cell_length_b 13.017 _cell_length_c 7.185 _cell_angle_alpha 90 _cell_angle_beta 115.97 _cell_angle_gamma 90 _cell_volume 723.619 _exptl_crystal_density_diffrn 2.555 _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 K 0.28640 0.00000 0.13840 1.00000 SiT1 0.00980 0.18558 0.22390 0.70000 AlT1 0.00980 0.18558 0.22390 0.30000 SiT2 0.71060 0.11816 0.34440 0.80000 AlT2 0.71060 0.11816 0.34440 0.20000 OA1 0.00000 0.14700 0.00000 1.00000 OA2 0.63920 0.00000 0.28440 1.00000 OB 0.82930 0.14790 0.22670 1.00000 OC 0.03620 0.31120 0.25810 1.00000 OD 0.17880 0.12680 0.40460 1.00000 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 K 0.02010 0.03510 0.02880 0.00000 0.00930 0.00000 SiT1 0.01180 0.01180 0.01180 0.00000 0.00520 0.00000 AlT1 0.01180 0.01180 0.01180 0.00000 0.00000 0.00000 SiT2 0.01100 0.01100 0.01100 0.00000 0.00480 0.00000 AlT2 0.01100 0.01100 0.01100 0.00000 0.00480 0.00000 OA1 0.03000 0.01810 0.01180 30.00000 0.01320 0.00000 OA2 0.01840 0.01490 0.02410 0.00000 0.00420 0.00000 OB 0.02240 0.03180 0.02360 -0.00320 0.01380 0.00110 OC 0.01980 0.01680 0.02120 -0.00280 0.00930 -0.00260 OD 0.02240 0.02130 0.01360 0.00220 0.00440 0.00140