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 M31669
;
_database_code_amcsd 0005678
_chemical_compound_source 'Shinkolobwe, Democratic Republic of Congo'
_chemical_formula_sum 'U4 Pb O19 H10'
_cell_length_a 14.000
_cell_length_b 16.417
_cell_length_c 14.357
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 3299.784
_exptl_crystal_density_diffrn      5.932
_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)   0.02410   0.11710   0.24310   0.01700
U(2)   0.01540   0.38320   0.24040   0.01600
U(3)   0.27220   0.02160   0.22120   0.01600
U(4)   0.24150   0.25310   0.26030   0.01800
Pb(1)   0.18600   0.38100   0.00000   0.02900
Pb(2)   0.32770   0.60400   0.00000   0.03000
O(1)  -0.00430   0.13270   0.12360   0.03100
O(2)   0.05160   0.09460   0.36370   0.02900
O(3)   0.05670   0.37440   0.11760   0.02200
O(4)  -0.03050   0.38520   0.35580   0.03400
O(5)   0.29200   0.02600   0.09820   0.01900
O(6)   0.24660   0.01300   0.33910   0.03500
O(7)   0.25260   0.29050   0.14460   0.02800
O(8)   0.23910   0.21570   0.37860   0.03100
O(9)   0.10980  -0.01860   0.19030   0.01800
O(10)  -0.07320   0.00800   0.24480   0.02400
O(11)  -0.13290   0.15910   0.29060   0.02300
O-H(12)   0.06940   0.24930   0.26860   0.03700
O(13)   0.18160   0.13300   0.21540   0.02600
O(14)  -0.11730   0.31250   0.19220   0.01700
O-H(15)   0.18380   0.38160   0.30030   0.02600
Wat(16)   0.14000   0.55200   0.00000   0.07100
Wat(17)   0.36900   0.45000   0.00000   0.03400
Wat(18)   0.13400   0.21200   0.00000   0.06100
Wat(19)   0.45400   0.73000   0.00000   0.11000
Wat(20)   0.12000  -0.04100   0.00000   0.06200
Wat(21)   0.35700   0.16500   0.00000   0.04200
Wat(22)   0.10000   0.77900   0.00000   0.06800
Wat(23)   0.31700   0.86900   0.00000   0.04700