data_global
_chemical_name_mineral 'Carminite'
loop_
_publ_author_name
'Olmi F'
'Sabelli C'
_journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte'
_journal_volume 1995 
_journal_year 1995
_journal_page_first 553
_journal_page_last 562
_publ_section_title
;
 Carminite from three localities of Sardinia (Italy). Crystal structure refinements
 Sample A
;
_database_code_amcsd 0014875
_chemical_compound_source 'Monte Tamara Mine, Sardinia, Italy'
_chemical_formula_sum 'Pb Fe2 As2 O10 H2'
_cell_length_a 16.604
_cell_length_b 7.586
_cell_length_c 12.274
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 1546.008
_exptl_crystal_density_diffrn      5.420
_symmetry_space_group_name_H-M 'C c c m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,1/2-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,y,1/2+z'
  '1/2-x,1/2+y,1/2+z'
  'x,-y,1/2-z'
  '1/2+x,1/2-y,1/2-z'
  'x,y,-z'
  '1/2+x,1/2+y,-z'
  '-x,-y,z'
  '1/2-x,1/2-y,z'
  '-x,-y,-z'
  '1/2-x,1/2-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Pb1   0.00000   0.00000   0.25000   0.01722
Pb2   0.25000   0.75000   0.00000   0.01279
Fe   0.12290   0.36900   0.13480   0.01115
As1   0.04270   0.73800   0.00000   0.00899
As2   0.21180   0.00000   0.25000   0.00583
O1   0.01610   0.24630   0.11330   0.01013
O2   0.09150   0.53890   0.00000   0.01279
O3   0.11280  -0.10330   0.00000   0.02102
O4   0.15020   0.17740   0.24260   0.01064
O5   0.27190  -0.00150   0.14080   0.01494
O-H1   0.16890   0.23860   0.00000   0.00418
O-H2   0.07950   0.50000   0.25000   0.01001