data_9000255
_chemical_name 'Goldichite'
loop_
_publ_author_name
'Graeber E J'
'Rosenzweig A'
_journal_name_full "American Mineralogist"
_journal_volume 56
_journal_year 1971
_journal_page_first 1917
_journal_page_last 1933
_publ_section_title
;
 The crystal structures of yavapaiite, KFe(SO4)2, and goldichite, KFe(SO4)2.4H2O
;
_chemical_formula_sum 'Fe K S2 O12 H8'
_cell_length_a 10.387
_cell_length_b 10.486
_cell_length_c 9.086
_cell_angle_alpha 90
_cell_angle_beta 101.68
_cell_angle_gamma 90
_cell_volume 969.138
_symmetry_space_group_name_H-M 'P 1 21/c 1'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  'x,1/2-y,1/2+z'
  '-x,1/2+y,1/2-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Fe   0.70650   0.13460   0.09350
K   0.67770   0.74350   0.03510
S1   0.52530   0.48070   0.28310
S2   0.88980   0.30300   0.35570
O1   0.92080   0.42350   0.29070
O2   0.86390   0.17350   0.00840
Wat3   0.81350  -0.01520   0.19570
O4   0.59100   0.50580   0.15980
O5   0.62590   0.02140  -0.07280
Wat6   0.83760   0.53250  -0.01090
O7   0.56210   0.09380   0.20480
O8   0.45000   0.36390   0.26480
Wat9   0.82100   0.67850   0.33210
Wat10   0.60660   0.29100  -0.00270
O11   0.99430   0.21140   0.36490
O12   0.76440   0.25080   0.26510