data_global
_chemical_name_mineral 'Hornblende'
loop_
_publ_author_name
'Oberti R'
'Hawthorne F C'
'Ungaretti L'
'Cannillo E'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 33 
_journal_year 1995
_journal_page_first 867
_journal_page_last 878
_publ_section_title
;
 [6]Al disorder in amphiboles from mantle peridotites
 Sample: F1
;
_database_code_amcsd 0005447
_chemical_formula_sum 'Si6.232 Al2.318 Mg3.33 Fe1.08 Ti.12 Cr.08 Ca1.84 Na.744 K.039 H2 O24'
_cell_length_a 9.873
_cell_length_b 18.011
_cell_length_c 5.299
_cell_angle_alpha 90
_cell_angle_beta 105.17
_cell_angle_gamma 90
_cell_volume 909.447
_exptl_crystal_density_diffrn      3.166
_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
SiT1   0.28060   0.08530   0.30220   0.77900   0.00481
AlT1   0.28060   0.08530   0.30220   0.22100   0.00481
SiT2   0.29090   0.17280   0.81240   0.77900   0.00557
AlT2   0.29090   0.17280   0.81240   0.22100   0.00557
MgM1   0.00000   0.08920   0.50000   0.78000   0.00633
FeM1   0.00000   0.08920   0.50000   0.22000   0.00633
TiM2   0.00000   0.17680   0.00000   0.06000   0.00595
CrM2   0.00000   0.17680   0.00000   0.04000   0.00595
AlM2   0.00000   0.17680   0.00000   0.22000   0.00595
FeM2   0.00000   0.17680   0.00000   0.14000   0.00595
MgM2   0.00000   0.17680   0.00000   0.54000   0.00595
AlM3   0.00000   0.00000   0.00000   0.11000   0.00621
MgM3   0.00000   0.00000   0.00000   0.65000   0.00621
FeM3   0.00000   0.00000   0.00000   0.24000   0.00621
FeM4   0.00000   0.27990   0.50000   0.03000   0.00849
MgM4   0.00000   0.27990   0.50000   0.01000   0.00849
CaM4   0.00000   0.27990   0.50000   0.46000   0.00849
FeM4*   0.00000   0.25660   0.50000   0.03000   0.00633
MgM4*   0.00000   0.25660   0.50000   0.01000   0.00633
CaM4*   0.00000   0.25660   0.50000   0.46000   0.00633
NaA   0.00000   0.50000   0.00000   0.14800   0.06687
KA   0.00000   0.50000   0.00000   0.00700   0.06687
NaA(m)   0.03590   0.50000   0.09040   0.14900   0.05028
KA(m)   0.03590   0.50000   0.09040   0.00800   0.05028
NaA(2)   0.00000   0.46820   0.00000   0.14900   0.01773
KA(2)   0.00000   0.46820   0.00000   0.00800   0.01773
H   0.19080   0.00000   0.76180   1.00000   0.01494
O1   0.10700   0.08810   0.21540   1.00000   0.00988
O2   0.11960   0.17380   0.73270   1.00000   0.00798
O-h3   0.10850   0.00000   0.71590   1.00000   0.01013
O4   0.36800   0.24980   0.78820   1.00000   0.01089
O5   0.34990   0.14040   0.11220   1.00000   0.01089
O6   0.34350   0.11620   0.60940   1.00000   0.01229
O7   0.33950   0.00000   0.27440   1.00000   0.01368