data_global
_chemical_name_mineral 'Ferrohogbomite-2N2S'
loop_
_publ_author_name
'Hejny C'
'Gnos E'
'Grobety B'
'Armbruster T'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 14 
_journal_year 2002
_journal_page_first 957
_journal_page_last 967
_publ_section_title
;
 Crystal chemistry of the polysome ferrohogbomite-2N2S,
 a long-known but newly defined mineral species
;
_database_code_amcsd 0006950
_chemical_formula_sum 'Al7 Fe2.6 Ti.4 Mg O16 H'
_cell_length_a 5.712
_cell_length_b 5.712
_cell_length_c 18.317
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 517.561
_exptl_crystal_density_diffrn      4.072
_symmetry_space_group_name_H-M 'P 63 m c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-x+y,1/2+z'
  'x-y,x,1/2+z'
  '-y,-x,z'
  '-y,x-y,z'
  'x-y,-y,1/2+z'
  '-x,-y,1/2+z'
  'x,x-y,z'
  '-x+y,-x,z'
  'y,x,1/2+z'
  'y,-x+y,1/2+z'
  '-x+y,y,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
AlM1   0.67110   0.83550   0.94100   1.00000   0.00710
FeM2   0.00000   0.00000   0.79700   0.60000   0.00710
TiM2   0.00000   0.00000   0.79700   0.40000   0.00710
MgT3   0.66667   0.33333   0.85060   0.57000   0.00230
FeT3   0.66667   0.33333   0.85060   0.43000   0.00230
AlM4   0.00550   0.50280   0.69650   1.00000   0.00440
AlM5   0.66667   0.33333   0.56600   1.00000   0.00620
FeT6   0.33333  -0.33333   0.53610   0.89000   0.00810
MgT6   0.33333  -0.33333   0.53610   0.11000   0.00810
FeT7   0.00000   0.00000   0.60410   0.68000   0.00370
MgT7   0.00000   0.00000   0.60410   0.32000   0.00370
O1   0.00000   0.00000   0.99560   1.00000   0.00900
O2   0.03800   0.51900   0.99830   1.00000   0.00600
O-H3   0.33333  -0.33333   0.88440   1.00000   0.00400
O4   0.84750   0.69500   0.88110   1.00000   0.01100
O5  -0.33333  -0.66667   0.74720   1.00000   0.01000
O6   0.66260   0.83130   0.74890   1.00000   0.00600
O7   0.33333   0.66667   0.64160   1.00000   0.01100
O8   0.81140   0.62280   0.63280   1.00000   0.01100