data_global
_chemical_name_mineral 'Duftite'
loop_
_publ_author_name
'Sokolova E V'
'Egorov-Tismenko Y K'
_journal_name_full 'Vestnik Moskovskogo Universiteta Geologiya'
_journal_volume 37 
_journal_year 1982
_journal_page_first 50
_journal_page_last 56
_publ_section_title
;
 Study of crystalline structures of rare arsenates: duftite and mimetite
;
_database_code_amcsd 0020488
_chemical_compound_source 'Cassiterite-sulfide field, Festivalnyi, East Siberia, Russia'
_chemical_formula_sum 'Pb As Cu (O5 H)'
_cell_length_a 7.770
_cell_length_b 9.209
_cell_length_c 5.995
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 428.966
_exptl_crystal_density_diffrn      6.607
_symmetry_space_group_name_H-M 'P 21 21 21'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,1/2+y,1/2-z'
  '1/2+x,1/2-y,-z'
  '1/2-x,-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
Pb   0.12500   0.16700   0.00000   0.02736
As   0.13000   0.80680   0.03100   0.00291
Cu   0.25400   0.49800   0.24600   0.01013
O-H1   0.11500   0.43400   0.01000   0.00380
O2   0.63700   0.81300   0.23400   0.01520
O3   0.86600   0.22000   0.26300   0.01140
O4   0.45300   0.58300   0.98000   0.01140
O5   0.45300   0.91000   0.04600   0.02153