data_global
_chemical_name_mineral 'Julgoldite-(Fe3+)'
loop_
_publ_author_name
'Artioli G'
'Geiger C A'
'Dapiaggi M'
_journal_name_full 'American Mineralogist'
_journal_volume 88 
_journal_year 2003
_journal_page_first 1084
_journal_page_last 1090
_publ_section_title
;
 The crystal chemistry of julgoldite-Fe3+ from Bombay, India, studied using
 synchrotron X-ray powder diffraction and 57Fe Mossbauer spectroscopy
;
_chemical_formula_sum 'Ca2 Fe2.688 Al.312 Si3 O14 H4'
_cell_length_a 8.8879
_cell_length_b 6.0580
_cell_length_c 19.3321
_cell_angle_alpha 90
_cell_angle_beta 97.498
_cell_angle_gamma 90
_cell_volume 1031.996
_exptl_crystal_density_diffrn      3.546
_symmetry_space_group_name_H-M 'A 1 2/m 1'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  'x,-y,z'
  'x,1/2-y,1/2+z'
  '-x,-y,-z'
  '-x,1/2-y,1/2-z'
  '-x,y,-z'
  '-x,1/2+y,1/2-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
Ca(1)   0.25800   0.50000   0.33920   1.00000   0.01700
Ca(2)   0.18190   0.50000   0.15340   1.00000   0.01700
FeX   0.50000   0.25000   0.25000   0.68800   0.01200
AlX   0.50000   0.25000   0.25000   0.31200   0.01200
FeY   0.25320   0.25000   0.49560   1.00000   0.01200
Si(1)   0.04900   0.00000   0.09770   1.00000   0.00600
Si(2)   0.16800   0.00000   0.24790   1.00000   0.00600
Si(3)   0.46800   0.00000   0.40400   1.00000   0.00600
O(1)   0.13200   0.23300   0.07930   1.00000   0.01300
O(2)   0.26900   0.22400   0.24580   1.00000   0.01300
O(3)   0.37000   0.22800   0.41020   1.00000   0.01300
O(4)   0.12300   0.50000   0.44300   1.00000   0.01300
O-H(5)   0.11600   0.00000   0.45200   1.00000   0.01300
O(6)   0.37300   0.50000   0.04300   1.00000   0.01300
O-H(7)   0.38800   0.00000   0.03500   1.00000   0.01300
O(8)   0.03800   0.00000   0.18110   1.00000   0.01300
O(9)   0.46400   0.50000   0.17180   1.00000   0.01300
O-H(10)   0.07000   0.00000   0.31380   1.00000   0.01300
O-H(11)   0.50900   0.50000   0.32200   1.00000   0.01300