data_global _chemical_name_mineral 'Jadeite' loop_ _publ_author_name 'Cameron M' 'Sueno S' 'Prewitt C T' 'Papike J J' _journal_name_full 'American Mineralogist' _journal_volume 58 _journal_year 1973 _journal_page_first 594 _journal_page_last 618 _publ_section_title ; High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite, spodumene, and ureyite T = 600 C pyroxene ; _database_code_amcsd 353 _chemical_formula_sum 'Si2 Al Na O6' _cell_length_a 9.469 _cell_length_b 8.614 _cell_length_c 5.24 _cell_angle_alpha 90.0 _cell_angle_beta 107.57 _cell_angle_gamma 90.0 _cell_volume 407.467 _exptl_crystal_density_diffrn 3.295 _symmetry_space_group_name_H-M 'C 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-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 Si 0.2903 0.0928 0.2264 Al1 0.0 0.9043 0.25 Na2 0.0 0.3007 0.25 O1 0.1097 0.0756 0.1278 O2 0.3613 0.2615 0.2903 O3 0.3527 0.0065 0.0057 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 Si 0.01028 0.01083 0.00839 -0.0011 0.0021 -0.00096 Al1 0.01189 0.01165 0.00942 0.0 0.00151 0.0 Na2 0.04066 0.02252 0.02182 0.0 -0.00404 0.0 O1 0.00912 0.01519 0.01264 -0.00039 0.00148 0.00078 O2 0.0211 0.01338 0.01899 -0.00587 0.00487 -0.001 O3 0.01532 0.02139 0.01168 0.00024 0.00331 -0.00578