data_9001566
_chemical_name 'Fangite'
loop_
_publ_author_name
'Wilson J R'
'Sen Gupta P K'
'Robinson P D'
'Criddle A J'
_journal_name_full "American Mineralogist"
_journal_volume 78
_journal_year 1993
_journal_page_first 1096
_journal_page_last 1103
_publ_section_title
;
 Fangite, Tl3AsS4, a new thallium arsenic sulfosalt from the Mercur Au deposit,
 Utah, and revised optical data for gillulyite
;
_chemical_formula_sum 'Tl3 As S4'
_cell_length_a 8.894
_cell_length_b 10.855
_cell_length_c 9.079
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 876.526
_symmetry_space_group_name_H-M 'P n m a'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-z'
  '1/2+x,y,1/2-z'
  '1/2-x,-y,1/2+z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Tl1   0.06120   0.04940   0.19580
Tl2   0.38370   0.25000  -0.10940
As   0.28070   0.25000   0.47440
S1   0.30600   0.25000   0.23380
S2   0.00400   0.25000   0.93200
S3   0.15570   0.08690   0.53540