data_global _chemical_name_mineral 'Jadeite' loop_ _publ_author_name 'Nestola F' 'Ballaran T B' 'Liebske C' 'Thompson R' 'Downs R T' _journal_name_full 'American Mineralogist' _journal_volume 93 _journal_year 2008 _journal_page_first 1005 _journal_page_last 1013 _publ_section_title ; The effect of the hedenbergitic substitution on the compressibility of jadeite Sample: Jd100Hd0, P = 8.31 GPa ; _database_code_amcsd 0004604 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Na Al Si2 O6' _cell_length_a 9.2411 _cell_length_b 8.4053 _cell_length_c 5.1236 _cell_angle_alpha 90 _cell_angle_beta 106.906 _cell_angle_gamma 90 _cell_volume 380.773 _exptl_crystal_density_diffrn 3.526 _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 _atom_site_U_iso_or_equiv NaM2 0.00000 0.30410 0.25000 0.00910 AlM1 0.00000 0.90820 0.25000 0.00530 SiT 0.29080 0.09490 0.22940 0.00550 O1 0.10930 0.07840 0.13090 0.00460 O2 0.35960 0.26740 0.30270 0.00800 O3 0.35660 0.01460 1.00090 0.00700