data_global _chemical_name_mineral 'Cordierite' loop_ _publ_author_name 'Sokol E V' 'Seryotkin Y V' 'Bul'bak T A' _journal_name_full 'European Journal of Mineralogy' _journal_volume 22 _journal_year 2010 _journal_page_first 565 _journal_page_last 575 _publ_section_title ; Na-Li-Be-rich cordierite from the Murzinka pegmatite field, Middle Urals, Russia ; _database_code_amcsd 0017555 _chemical_compound_source 'Murzinka pegmatite field, MIddle Ural Mountains, Russia' _chemical_formula_sum 'Na.235 O18.646 Mn.02 Li.06 Fe.3 Mg1.66 Be.16 Al3.8 Si5 H1.292' _cell_length_a 17.0046 _cell_length_b 9.73133 _cell_length_c 9.31989 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1542.231 _exptl_crystal_density_diffrn 2.619 _symmetry_space_group_name_H-M 'C c c m' 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,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' '-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 0.00000 0.00000 0.00000 0.23500 0.02800 Wat 0.00000 0.00000 0.25000 0.64600 0.09800 MnM 0.33634 0.00000 0.25000 0.01000 0.00896 LiM 0.33634 0.00000 0.25000 0.03000 0.00896 FeM 0.33634 0.00000 0.25000 0.13000 0.00896 MgM 0.33634 0.00000 0.25000 0.83000 0.00896 FeT1 0.25000 0.25000 0.25013 0.02000 0.00804 BeT1 0.25000 0.25000 0.25013 0.08000 0.00804 AlT1 0.25000 0.25000 0.25013 0.90000 0.00804 SiT1 0.50000 0.00000 0.25000 1.00000 0.00641 AlT2 0.05067 0.30862 0.00000 1.00000 0.00613 SiT2 0.19207 0.07856 0.00000 1.00000 0.00603 SiT2 0.13576 0.23679 0.50000 1.00000 0.00602 O1 0.24647 0.10427 0.14143 1.00000 0.00960 O2 0.17344 0.30910 0.35836 1.00000 0.00970 O3 0.06214 0.41602 0.15108 1.00000 0.00940 O4 0.12035 0.18247 0.00000 1.00000 0.01460 O5 0.16398 -0.07867 0.00000 1.00000 0.01300 O6 -0.04327 0.24567 0.00000 1.00000 0.01380 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 0.03100 0.01200 0.04100 0.00100 0.00000 0.00000 Wat 0.15100 0.08800 0.05500 0.00000 0.00000 0.00000 MnM 0.00730 0.00980 0.00980 0.00000 0.00000 0.00013 LiM 0.00730 0.00980 0.00980 0.00000 0.00000 0.00013 FeM 0.00730 0.00980 0.00980 0.00000 0.00000 0.00013 MgM 0.00730 0.00980 0.00980 0.00000 0.00000 0.00013 FeT1 0.00920 0.00740 0.00750 0.00105 0.00000 0.00000 BeT1 0.00920 0.00740 0.00750 0.00105 0.00000 0.00000 AlT1 0.00920 0.00740 0.00750 0.00105 0.00000 0.00000 SiT1 0.00630 0.00680 0.00610 0.00000 0.00000 0.00000 AlT2 0.00590 0.00620 0.00630 0.00057 0.00000 0.00000 SiT2 0.00590 0.00520 0.00690 0.00009 0.00000 0.00000 SiT2 0.00580 0.00570 0.00660 0.00062 0.00000 0.00000 O1 0.01200 0.00850 0.00840 0.00030 -0.00260 -0.00020 O2 0.00980 0.01050 0.00890 0.00150 0.00120 0.00190 O3 0.00800 0.01130 0.00890 0.00110 -0.00020 -0.00270 O4 0.01250 0.01150 0.01970 0.00600 0.00000 0.00000 O5 0.01350 0.00720 0.01820 -0.00350 0.00000 0.00000 O6 0.00640 0.01650 0.01860 -0.00120 0.00000 0.00000