data_global
_chemical_name_mineral 'Tsumebite'
loop_
_publ_author_name
'Fanfani L'
'Zanazzi P F'
_journal_name_full 'Mineralogical Magazine'
_journal_volume 36 
_journal_year 1967
_journal_page_first 522
_journal_page_last 529
_publ_section_title
;
 Structural similarities of some secondary lead minerals
 Note: coordinates of O atoms are from arsentsumebite
;
_database_code_amcsd 0014449
_chemical_compound_source 'Tsumeb, South West Africa'
_chemical_formula_sum 'Pb2 Cu2 S P (O9 H)'
_cell_length_a 7.85
_cell_length_b 5.80
_cell_length_c 8.70
_cell_angle_alpha 90
_cell_angle_beta 111
_cell_angle_gamma 90
_cell_volume 369.801
_exptl_crystal_density_diffrn      6.731
_symmetry_space_group_name_H-M 'P 1 21/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Pb1   0.72900   0.25000   0.25000
Pb2   0.28800   0.25000   0.39300
Cu2+   0.00000   0.00000   0.00000
Cu2+   0.00000   0.50000   0.00000
S   0.45400   0.75000   0.17100
P   0.03200   0.75000   0.34000
O-H1   0.17070   0.25000   0.08110
O2  -0.24130   0.25000  -0.46820
O3   0.09280   0.25000   0.55630
O4   0.43360   0.25000   0.93460
O5   0.77540   0.25000  -0.05430
O6  -0.00020   0.03020  -0.24100
O7   0.50990   0.02520  -0.28750