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 CMCNC 81096 ; _database_code_amcsd 0005671 _chemical_compound_source 'Shinkolobwe, Democratic Republic of Congo' _chemical_formula_sum 'U4 Pb O19 H10' _cell_length_a 14.010 _cell_length_b 16.401 _cell_length_c 14.317 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 3289.732 _exptl_crystal_density_diffrn 5.950 _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) 0.02510 0.11700 0.24270 0.01500 U(2) 0.01560 0.38270 0.23940 0.01500 U(3) 0.27240 0.02130 0.22150 0.01400 U(4) 0.24160 0.25360 0.26130 0.01500 Pb(1) 0.18770 0.38170 0.00000 0.02800 Pb(2) 0.32990 0.60380 0.00000 0.02800 O(1) -0.00430 0.13390 0.12290 0.02700 O(2) 0.05220 0.09400 0.36650 0.02700 O(3) 0.05620 0.37520 0.11870 0.01900 O(4) -0.03090 0.38570 0.35770 0.03300 O(5) 0.29130 0.02700 0.09700 0.01900 O(6) 0.24540 0.00680 0.34580 0.02400 O(7) 0.25260 0.29240 0.14230 0.02300 O(8) 0.23830 0.21600 0.38010 0.02300 O(9) 0.10720 -0.01670 0.19220 0.01700 O(10) -0.07310 0.00910 0.24200 0.02500 O(11) -0.13110 0.16120 0.28890 0.01700 O-H(12) 0.06990 0.24930 0.26870 0.04200 O(13) 0.17950 0.13440 0.21440 0.02800 O(14) -0.11560 0.31150 0.18780 0.02800 O-H(15) 0.18250 0.38160 0.29850 0.02400 Wat(16) 0.13100 0.53960 0.00000 0.03500 Wat(17) 0.37080 0.45000 0.00000 0.02500 Wat(18) 0.13600 0.21210 0.00000 0.03900 Wat(19) 0.45100 0.72500 0.00000 0.15000 Wat(20) 0.12000 -0.04000 0.00000 0.04900 Wat(21) 0.35800 0.16500 0.00000 0.05200 Wat(22) 0.09600 0.77300 0.00000 0.05200 Wat(23) 0.32500 0.86800 0.00000 0.08500