data_global _chemical_name_mineral 'Albite' loop_ _publ_author_name 'Winter J K' 'Okamura F P' 'Ghose S' _journal_name_full 'American Mineralogist' _journal_volume 64 _journal_year 1979 _journal_page_first 409 _journal_page_last 423 _publ_section_title ; A high-temperature structural study of high albite, monalbite, and the analbite - monalbite phase transition T = 750 C ; _database_code_amcsd 0000717 _chemical_compound_source 'Tiburon, Marin County, California, USA' _chemical_formula_sum '(Na.998 K.002) (Si3 Al) O8' _cell_length_a 8.234 _cell_length_b 12.955 _cell_length_c 7.143 _cell_angle_alpha 92 _cell_angle_beta 116.17 _cell_angle_gamma 90.06 _cell_volume 683.315 _exptl_crystal_density_diffrn 2.549 _symmetry_space_group_name_H-M 'C -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' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Na 0.27740 0.00240 0.13780 0.99750 K 0.27740 0.00240 0.13780 0.00250 Si1o 0.00870 0.17180 0.21910 0.75000 Al1o 0.00870 0.17180 0.21910 0.25000 Si1m 0.00650 0.81730 0.22660 0.75000 Al1m 0.00650 0.81730 0.22660 0.25000 Si2o 0.69410 0.11210 0.33160 0.75000 Al2o 0.69410 0.11210 0.33160 0.25000 Si2m 0.69200 0.88040 0.34910 0.75000 Al2m 0.69200 0.88040 0.34910 0.25000 Oa1 0.00260 0.13830 0.99160 1.00000 Oa2 0.60130 0.99490 0.28230 1.00000 Obo 0.82310 0.12230 0.21230 1.00000 Obm 0.82250 0.85460 0.23730 1.00000 Oco 0.02200 0.29720 0.26670 1.00000 Ocm 0.02330 0.69090 0.23650 1.00000 Odo 0.19130 0.11740 0.39620 1.00000 Odm 0.18850 0.87100 0.41600 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 Na 0.05227 0.20374 0.13346 0.00533 0.02038 -0.05587 K 0.05227 0.20374 0.13346 0.00533 0.02038 -0.05587 Si1o 0.02600 0.02717 0.02058 -0.00339 0.01055 0.00084 Al1o 0.02600 0.02717 0.02058 -0.00339 0.01055 0.00084 Si1m 0.02572 0.02717 0.02037 0.00533 0.01055 0.00252 Al1m 0.02572 0.02717 0.02037 0.00533 0.01055 0.00252 Si2o 0.02296 0.02207 0.02640 -0.00097 0.00887 0.00168 Al2o 0.02296 0.02207 0.02640 -0.00097 0.00887 0.00168 Si2m 0.02323 0.02122 0.02661 0.00291 0.00983 0.00252 Al2m 0.02323 0.02122 0.02661 0.00291 0.00983 0.00252 Oa1 0.06416 0.05009 0.03097 0.00194 0.02638 0.00420 Oa2 0.03181 0.02632 0.04366 0.00097 0.01103 0.00420 Obo 0.04342 0.05773 0.05821 -0.01114 0.03021 0.00126 Obm 0.04591 0.06707 0.06216 0.01405 0.03429 0.00126 Oco 0.03844 0.03396 0.05301 -0.00533 0.01798 -0.00336 Ocm 0.03844 0.03311 0.04968 0.00775 0.01199 0.00462 Odo 0.04370 0.05094 0.03077 0.00872 0.00528 0.00714 Odm 0.04425 0.05348 0.03181 -0.00485 0.00288 -0.00294