data_global _chemical_name_mineral 'Lithosite' loop_ _publ_author_name 'Pudovkina Z V' 'Solov'eva L P' 'Pyatenko Y A' _journal_name_full 'Soviet Physics Doklady' _journal_volume 31 _journal_year 1986 _journal_page_first 941 _journal_page_last 942 _publ_section_title ; Crystal structure of lithosite K3[HAl2Si4O13] ; _database_code_amcsd 0015615 _chemical_formula_sum 'K3 Al2 Si4 O13' _cell_length_a 15.197 _cell_length_b 10.233 _cell_length_c 8.435 _cell_angle_alpha 90 _cell_angle_beta 90.31 _cell_angle_gamma 90 _cell_volume 1311.715 _exptl_crystal_density_diffrn 2.489 _symmetry_space_group_name_H-M 'P 1 21 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-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 K1 0.69700 0.05400 0.75200 0.01798 K2 0.42200 0.04600 0.75200 0.02330 K3 0.13600 0.06400 0.73800 0.02698 K4 0.80100 0.94700 0.24700 0.01811 K5 0.07800 0.93800 0.24800 0.02406 K6 0.37000 0.94400 0.24400 0.02406 Al1 0.91000 0.11000 0.93000 0.00811 Al2 0.56300 0.18800 0.44300 0.01051 Al3 0.93600 0.80900 0.55800 0.00887 Al4 0.59000 0.89100 0.06400 0.00823 Si1 0.26200 0.21900 0.43500 0.00785 Si2 0.25900 0.22100 0.06300 0.00469 Si3 0.56100 0.19200 0.05300 0.01102 Si4 0.91400 0.11100 0.55900 0.01026 Si5 0.24300 0.77800 0.93900 0.01241 Si6 0.23700 0.77700 0.56500 0.00861 Si7 0.58600 0.88600 0.43900 0.00988 Si8 0.94000 0.80700 0.94200 0.01089 O1 0.24800 0.18800 0.24900 0.01773 O2 0.99500 0.21900 0.94800 0.01381 O3 0.00500 0.72100 0.43600 0.01976 O4 0.29300 0.10100 0.95800 0.01532 O5 0.54800 0.02700 0.50100 0.01748 O6 0.55200 0.03900 0.99700 0.01494 O7 0.70600 0.59700 0.46800 0.01305 O8 0.54700 0.21800 0.24500 0.01760 O9 0.82400 0.15300 0.45300 0.01659 O10 0.82400 0.15300 0.05400 0.01849 O11 0.12300 0.59800 0.25700 0.01887 O12 0.16700 0.27200 0.50100 0.01735 O13 0.15600 0.24500 0.00100 0.01811 O14 0.24700 0.82100 0.75400 0.01343 O15 0.50700 0.78100 0.45100 0.01102 O16 0.51100 0.77300 0.05100 0.02191 O17 0.19600 0.90800 0.47900 0.01570 O18 0.94700 0.96100 0.00000 0.01621 O19 0.94600 0.97000 0.48600 0.01241 O20 0.20400 0.90400 0.02400 0.01343 O21 0.04800 0.29500 0.24000 0.02039 O22 0.69000 0.85400 0.97000 0.00760 O23 0.66500 0.84400 0.56000 0.01532 O24 0.62400 0.89800 0.26300 0.01444 O25 0.66300 0.23400 0.00100 0.01811 O26 0.33100 0.74500 0.49400 0.01684