data_global _chemical_name_mineral 'Fourmarierite' loop_ _publ_author_name 'Li Y' 'Burns P C' _journal_name_full 'The Canadian Mineralogist' _journal_volume 38 _journal_year 2000 _journal_page_first 737 _journal_page_last 749 _publ_section_title ; Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite Note: sample CMNMC 81098 ; _database_code_amcsd 0005673 _chemical_compound_source 'Shinkolobwe, Democratic Republic of Congo' _chemical_formula_sum 'U4 Pb O19 H10' _cell_length_a 14.013 _cell_length_b 16.420 _cell_length_c 14.329 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 3297.009 _exptl_crystal_density_diffrn 5.937 _symmetry_space_group_name_H-M 'B b 21 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,y,1/2+z' '-x,1/2+y,z' '1/2-x,1/2+y,1/2+z' 'x,y,-z' '1/2+x,y,1/2-z' '-x,1/2+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 U(1) 0.02480 0.11680 0.24320 0.01400 U(2) 0.01530 0.38300 0.24000 0.01400 U(3) 0.27230 0.02140 0.22150 0.01400 U(4) 0.24170 0.25340 0.26150 0.01500 Pb(1) 0.18700 0.38170 0.00000 0.02700 Pb(2) 0.32880 0.60340 0.00000 0.02600 O(1) -0.00230 0.13970 0.12310 0.02600 O(2) 0.05120 0.10180 0.36550 0.02000 O(3) 0.05340 0.37940 0.11950 0.02300 O(4) -0.02820 0.39150 0.35840 0.03300 O(5) 0.28750 0.02950 0.09700 0.02400 O(6) 0.24740 0.01450 0.34330 0.01900 O(7) 0.25050 0.29540 0.14280 0.02500 O(8) 0.23940 0.22150 0.38360 0.02800 O(9) 0.10750 -0.01040 0.19310 0.01400 O(10) -0.07280 0.01270 0.24150 0.01800 O(11) -0.13290 0.16160 0.28940 0.01500 O-H(12) 0.06800 0.25750 0.27150 0.02600 O(13) 0.18110 0.13790 0.21560 0.02500 O(14) -0.11630 0.31610 0.18850 0.01700 O-H(15) 0.18280 0.38700 0.29970 0.02500 Wat(16) 0.13020 0.54810 0.00000 0.04300 Wat(17) 0.37100 0.45390 0.00000 0.03200 Wat(18) 0.13580 0.21950 0.00000 0.05200 Wat(19) 0.45770 0.73800 0.00000 0.06800 Wat(20) 0.11730 -0.03800 0.00000 0.05300 Wat(21) 0.35530 0.17290 0.00000 0.04100 Wat(22) 0.09120 0.77800 0.00000 0.04000 Wat(23) 0.32920 0.87560 0.00000 0.07600