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 81103 ; _database_code_amcsd 0005679 _chemical_compound_source 'Shinkolobwe, Democratic Republic of Congo' _chemical_formula_sum 'U4 Pb O19 H10' _cell_length_a 14.018 _cell_length_b 16.468 _cell_length_c 14.368 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 3316.830 _exptl_crystal_density_diffrn 5.901 _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 0.11660 0.24330 0.01300 U(2) 0.01500 0.38330 0.24030 0.01300 U(3) 0.27250 0.02210 0.22110 0.01200 U(4) 0.24200 0.25320 0.26160 0.01400 Pb(1) 0.18690 0.38090 0.00000 0.02800 Pb(2) 0.32740 0.60320 0.00000 0.02600 O(1) -0.00420 0.13670 0.12270 0.02500 O(2) 0.05350 0.09440 0.36580 0.02300 O(3) 0.05470 0.37540 0.12010 0.02600 O(4) -0.02930 0.38710 0.35710 0.02600 O(5) 0.29080 0.02560 0.09740 0.02200 O(6) 0.24600 0.01180 0.24350 0.02200 O(7) 0.25320 0.29300 0.14550 0.02100 O(8) 0.24050 0.21530 0.38030 0.02600 O(9) 0.10600 -0.01500 0.19330 0.01100 O(10) -0.07380 0.00850 0.24370 0.01800 O(11) -0.13210 0.15930 0.28800 0.01000 O-H(12) 0.06650 0.25170 0.27410 0.03100 O(13) 0.17910 0.13550 0.21290 0.02600 O(14) -0.11710 0.31250 0.18960 0.01600 O-H(15) 0.18160 0.38340 0.30020 0.02900 Wat(16) 0.13170 0.54780 0.00000 0.03300 Wat(17) 0.37050 0.45300 0.00000 0.02600 Wat(18) 0.14400 0.21200 0.00000 0.05300 Wat(19) 0.46000 0.73200 0.00000 0.06900 Wat(20) 0.11400 -0.04100 0.00000 0.06300 Wat(21) 0.35700 0.17220 0.00000 0.04000 Wat(22) 0.09000 0.77350 0.00000 0.03400 Wat(23) 0.32600 0.87100 0.00000 0.06000