data_global _chemical_name_mineral 'Albite' loop_ _publ_author_name 'Phillips M W' 'Colville A A' 'Ribbe P H' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 133 _journal_year 1971 _journal_page_first 43 _journal_page_last 65 _publ_section_title ; The crystal structures of two oligoclases: a comparison with low and high albite Sample: An28 ; _database_code_amcsd 0019659 _chemical_compound_source 'Camedo, Switzerland' _chemical_formula_sum '(Na.723 Ca.277) (Al1.277 Si2.723) O8' _cell_length_a 8.169 _cell_length_b 12.851 _cell_length_c 7.124 _cell_angle_alpha 93.63 _cell_angle_beta 116.40 _cell_angle_gamma 89.46 _cell_volume 668.391 _exptl_crystal_density_diffrn 2.650 _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 _atom_site_U_iso_or_equiv Na 0.26890 0.00400 0.13310 0.72300 0.06839 Ca 0.26890 0.00400 0.13310 0.27700 0.06839 AlT1o 0.00780 0.16580 0.21240 0.62500 0.01165 SiT1o 0.00780 0.16580 0.21240 0.37500 0.01165 AlT1m 0.00350 0.81780 0.23280 0.21100 0.01077 SiT1m 0.00350 0.81780 0.23280 0.78900 0.01077 AlT2o 0.68820 0.10950 0.31690 0.21700 0.01026 SiT2o 0.68820 0.10950 0.31690 0.78300 0.01026 AlT2m 0.68240 0.87960 0.35740 0.22400 0.01039 SiT2m 0.68240 0.87960 0.35740 0.77600 0.01039 OA1 0.00490 0.13040 0.97660 1.00000 0.02533 OA2 0.58710 0.99380 0.27890 1.00000 0.01267 OBo 0.81350 0.10720 0.19030 1.00000 0.02026 OBm 0.81890 0.85110 0.25070 1.00000 0.02913 OCo 0.01480 0.29490 0.27710 1.00000 0.02153 OCm 0.01880 0.69020 0.21870 1.00000 0.01900 ODo 0.20070 0.10910 0.38660 1.00000 0.01646 ODm 0.18780 0.86700 0.43200 1.00000 0.01646 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 0.01627 0.15742 0.07681 0.00523 0.00236 -0.09058 Ca 0.01627 0.15742 0.07681 0.00523 0.00236 -0.09058 AlT1o 0.01437 0.01416 0.01047 -0.00238 0.00543 0.00124 SiT1o 0.01437 0.01416 0.01047 -0.00238 0.00543 0.00124 AlT1m 0.01193 0.01333 0.00863 0.00238 0.00354 0.00165 SiT1m 0.01193 0.01333 0.00863 0.00238 0.00354 0.00165 AlT2o 0.01057 0.01000 0.01047 0.00000 0.00378 0.00165 SiT2o 0.01057 0.01000 0.01047 0.00000 0.00378 0.00165 AlT2m 0.01030 0.01083 0.01089 0.00048 0.00448 0.00124 SiT2m 0.01030 0.01083 0.01089 0.00048 0.00448 0.00124 OA1 0.02982 0.02499 0.01623 0.00285 0.01038 0.00455 OA2 0.01356 0.01249 0.01602 -0.00190 0.00590 0.00414 OBo 0.02169 0.01999 0.02136 -0.00428 0.01062 0.00083 OBm 0.02548 0.02582 0.03471 0.00285 0.01723 0.00290 OCo 0.02006 0.01916 0.02095 -0.00333 0.00590 0.00165 OCm 0.02033 0.02082 0.01643 0.00713 0.00401 -0.00041 ODo 0.01572 0.01999 0.01499 0.00238 0.00448 0.00165 ODm 0.01925 0.02499 0.01499 -0.00285 0.02077 -0.00331