data_global _chemical_name_mineral 'Banalsite' loop_ _publ_author_name 'Liferovich R P' 'Locock A J' 'Mitchell R H' 'Shpachenko A K' _journal_name_full 'The Canadian Mineralogist' _journal_volume 44 _journal_year 2006 _journal_page_first 533 _journal_page_last 546 _publ_section_title ; The crystal structure of stronalsite and a redetermination of the structure of banalsite ; _database_code_amcsd 0006095 _chemical_compound_source 'Langban, Sweden' _chemical_formula_sum 'Ba Na2 Al4 Si4 O16' _cell_length_a 8.5068 _cell_length_b 9.9811 _cell_length_c 16.7485 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1422.069 _exptl_crystal_density_diffrn 3.081 _symmetry_space_group_name_H-M 'I b a 2' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' 'x,-y,1/2+z' '1/2+x,1/2-y,+z' '-x,y,1/2+z' '1/2-x,1/2+y,+z' '-x,-y,z' '1/2-x,1/2-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ba 0.00000 0.50000 0.15440 0.01070 Na -0.04220 0.32560 -0.09580 0.01870 Al1 0.07090 0.18650 0.06320 0.00910 Al2 -0.27870 0.44520 0.31130 0.00870 Si1 -0.26550 0.55950 -0.00240 0.00820 Si2 0.07870 0.80650 0.24590 0.00810 O1 -0.21420 0.48510 0.40730 0.01270 O2 -0.00520 0.20760 0.15800 0.01430 O3 -0.07570 0.14390 -0.00490 0.01240 O4 0.22230 0.91390 0.24990 0.01120 O5 0.22620 0.07190 0.05530 0.01400 O6 -0.44990 0.35320 0.31140 0.01100 O7 0.12850 0.65480 0.27220 0.01240 O8 -0.12220 0.65230 0.03120 0.01150