data_global
_chemical_name_mineral 'Hornblende'
loop_
_publ_author_name
'Makino K'
'Tomita K'
_journal_name_full 'American Mineralogist'
_journal_volume 74 
_journal_year 1989
_journal_page_first 1097
_journal_page_last 1105
_publ_section_title
;
 Cation distribution in the octahedral sites of hornblendes
 sample K-H from Kawanabe, Japan
;
_database_code_amcsd 0001271
_chemical_formula_sum '(Si6.92 Al1.08) Mg3.442 Fe1.718 Ca1.7 Na.46 O24 H2'
_cell_length_a 9.829
_cell_length_b 18.06
_cell_length_c 5.304
_cell_angle_alpha 90
_cell_angle_beta 104.70
_cell_angle_gamma 90
_cell_volume 910.704
_exptl_crystal_density_diffrn      3.165
_symmetry_space_group_name_H-M 'C 1 2/m 1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,z'
  '1/2+x,1/2-y,z'
  '-x,y,-z'
  '1/2-x,1/2+y,-z'
  '-x,-y,-z'
  '1/2-x,1/2-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
Si1   0.28190   0.08480   0.29740   0.77000   0.00684
Al1   0.28190   0.08480   0.29740   0.23000   0.00684
Si2   0.29090   0.17170   0.80630   0.96000   0.00684
Al2   0.29090   0.17170   0.80630   0.04000   0.00684
Mg1   0.00000   0.08730   0.50000   0.67600   0.01203
Fe1   0.00000   0.08730   0.50000   0.32400   0.01203
Mg2   0.00000   0.17740   0.00000   0.67300   0.00937
Fe2   0.00000   0.17740   0.00000   0.32700   0.00937
Mg3   0.00000   0.00000   0.00000   0.66400   0.01102
Fe3   0.00000   0.00000   0.00000   0.33600   0.01102
Ca4   0.00000   0.27680   0.50000   0.85000   0.01229
Na4   0.00000   0.27680   0.50000   0.07000   0.01229
Mg4   0.00000   0.27680   0.50000   0.04000   0.01229
Fe4   0.00000   0.27680   0.50000   0.04000   0.01229
NaAm   0.00000   0.50000   0.00000   0.32000   0.04357
O1   0.11100   0.08730   0.21860   1.00000   0.00963
O2   0.12040   0.17270   0.72790   1.00000   0.00975
O-H3   0.11140   0.00000   0.71580   1.00000   0.01051
O4   0.36730   0.24850   0.78960   1.00000   0.01317
O5   0.34730   0.13740   0.10120   1.00000   0.01140
O6   0.34360   0.11880   0.59450   1.00000   0.01165
O7   0.33670   0.00000   0.28390   1.00000   0.01102