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: Jd53Hd47, P = 6.09 GPa ; _database_code_amcsd 0004610 _chemical_compound_source 'Synthetic' _chemical_formula_sum '(Na.53 Ca.47) (Al.52 Fe.48) Si2 O6' _cell_length_a 9.4632 _cell_length_b 8.6170 _cell_length_c 5.1857 _cell_angle_alpha 90 _cell_angle_beta 106.097 _cell_angle_gamma 90 _cell_volume 406.286 _exptl_crystal_density_diffrn 3.662 _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_occupancy _atom_site_U_iso_or_equiv NaM2 0.00000 0.30460 0.25000 0.53000 0.01200 CaM2 0.00000 0.30460 0.25000 0.47000 0.01200 AlM1 0.00000 0.90660 0.25000 0.52000 0.00680 Fe2+M1 0.00000 0.90660 0.25000 0.48000 0.00680 SiT 0.28880 0.09280 0.23000 1.00000 0.00740 O1 0.11250 0.08250 0.13660 1.00000 0.01400 O2 0.35880 0.25890 0.31240 1.00000 0.01200 O3 0.35440 0.01880 0.99670 1.00000 0.01100