data_global
_chemical_name_mineral 'Jarosite'
loop_
_publ_author_name
'Basciano L C'
'Peterson R C'
_journal_name_full 'American Mineralogist'
_journal_volume 92 
_journal_year 2007
_journal_page_first 1464
_journal_page_last 1473
_publ_section_title
;
 Jarosite - hydronium jarosite solid solution series with
 full iron occupancy: Mineralogy and crystal chemistry
 Sample: 7-13-2-1
;
_database_code_amcsd 0004439
_chemical_compound_source 'Rio Tonto, Huelva, Spain'
_chemical_formula_sum 'K.02 H7 Fe3 S2 O14'
_cell_length_a 7.3478
_cell_length_b 7.3478
_cell_length_c 17.0280
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 796.176
_exptl_crystal_density_diffrn      2.900
_symmetry_space_group_name_H-M 'R -3 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'x,x-y,z'
  '2/3+x,1/3+x-y,1/3+z'
  '1/3+x,2/3+x-y,2/3+z'
  'y,x,-z'
  '2/3+y,1/3+x,1/3-z'
  '1/3+y,2/3+x,2/3-z'
  '-x+y,y,z'
  '2/3-x+y,1/3+y,1/3+z'
  '1/3-x+y,2/3+y,2/3+z'
  '-x,-x+y,-z'
  '2/3-x,1/3-x+y,1/3-z'
  '1/3-x,2/3-x+y,2/3-z'
  '-y,-x,z'
  '2/3-y,1/3-x,1/3+z'
  '1/3-y,2/3-x,2/3+z'
  'x-y,-y,-z'
  '2/3+x-y,1/3-y,1/3-z'
  '1/3+x-y,2/3-y,2/3-z'
  'y,-x+y,-z'
  '2/3+y,1/3-x+y,1/3-z'
  '1/3+y,2/3-x+y,2/3-z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
  '-x,-y,-z'
  '2/3-x,1/3-y,1/3-z'
  '1/3-x,2/3-y,2/3-z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  'x-y,x,-z'
  '2/3+x-y,1/3+x,1/3-z'
  '1/3+x-y,2/3+x,2/3-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
K   0.00000   0.00000   0.00000   0.02000   0.01773
H3O   0.00000   0.00000   0.00000   1.00000   0.01773
Fe   0.16667  -0.16667  -0.16667   1.00000   0.02470
S   0.00000   0.00000   0.30950   1.00000   0.01393
O1   0.00000   0.00000   0.39490   1.00000   0.03293
O2   0.22430  -0.22430  -0.05660   1.00000   0.02786
O3   0.12670  -0.12670   0.13560   1.00000   0.01140
H   0.16500  -0.16500   0.10000   1.00000   0.02533