data_9004070
_chemical_name 'Allargentum'
loop_
_publ_author_name
'Petruk W'
'Cabri L J'
'Harris D C'
'Stewart J M'
'Clark L A'
_journal_name_full "The Canadian Mineralogist"
_journal_volume 10
_journal_year 1970
_journal_page_first 163
_journal_page_last 172
_publ_section_title
;
 Allargentum, redefined
 Locality: Hi-Ho mine, Cobalt, Ontario, Canada
;
_chemical_formula_sum '(Ag.865 Sb.134 Hg.001)'
_cell_length_a 2.952
_cell_length_b 2.952
_cell_length_c 4.773
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 36.021
_symmetry_space_group_name_H-M 'P 63/m m c'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,-x+y,1/2+z'
  'x,x-y,1/2-z'
  '-x+y,-x,1/2-z'
  'x-y,x,1/2+z'
  '-y,-x,z'
  'y,x,-z'
  'y,-x+y,-z'
  '-y,x-y,z'
  'x-y,-y,1/2+z'
  '-x+y,y,1/2-z'
  'x,y,1/2-z'
  '-x,-y,1/2+z'
  'x,x-y,z'
  '-x,-x+y,-z'
  'x-y,x,-z'
  '-x+y,-x,z'
  'y,x,1/2+z'
  '-y,-x,1/2-z'
  '-y,x-y,1/2-z'
  'y,-x+y,1/2+z'
  '-x+y,y,z'
  'x-y,-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Ag   0.33333   0.66667   0.25000   0.86500
Sb   0.33333   0.66667   0.25000   0.13400
Hg   0.33333   0.66667   0.25000   0.00100