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: F3
;
_database_code_amcsd 0005448
_chemical_formula_sum 'Si6.168 Al2.512 Mg3.43 Fe1.03 Ti.04 Ca1.82 Na.774 K.005 H2 O24'
_cell_length_a 9.867
_cell_length_b 17.998
_cell_length_c 5.285
_cell_angle_alpha 90
_cell_angle_beta 105.19
_cell_angle_gamma 90
_cell_volume 905.753
_exptl_crystal_density_diffrn      3.156
_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   0.28050   0.08540   0.30240   0.77100   0.00532
AlT1   0.28050   0.08540   0.30240   0.22900   0.00532
SiT2   0.29110   0.17310   0.81340   0.77100   0.00583
AlT2   0.29110   0.17310   0.81340   0.22900   0.00583
MgM1   0.00000   0.08940   0.50000   0.84000   0.00621
FeM1   0.00000   0.08940   0.50000   0.16000   0.00621
TiM2   0.00000   0.17640   0.00000   0.02000   0.00595
AlM2   0.00000   0.17640   0.00000   0.27000   0.00595
FeM2   0.00000   0.17640   0.00000   0.19000   0.00595
MgM2   0.00000   0.17640   0.00000   0.52000   0.00595
AlM3   0.00000   0.00000   0.00000   0.14000   0.00595
MgM3   0.00000   0.00000   0.00000   0.67000   0.00595
FeM3   0.00000   0.00000   0.00000   0.19000   0.00595
FeM4   0.00000   0.28010   0.50000   0.03000   0.00874
MgM4   0.00000   0.28010   0.50000   0.01000   0.00874
CaM4   0.00000   0.28010   0.50000   0.46000   0.00874
FeM4*   0.00000   0.25850   0.50000   0.04000   0.00836
MgM4*   0.00000   0.25850   0.50000   0.01000   0.00836
CaM4*   0.00000   0.25850   0.50000   0.45000   0.00836
NaA   0.00000   0.50000   0.00000   0.15400   0.06231
KA   0.00000   0.50000   0.00000   0.00100   0.06231
NaA(m)   0.03360   0.50000   0.08430   0.15500   0.06751
KA(m)   0.03360   0.50000   0.08430   0.00100   0.06751
NaA(2)   0.00000   0.46750   0.00000   0.15500   0.02267
KA(2)   0.00000   0.46750   0.00000   0.00100   0.02267
H   0.18500   0.00000   0.76500   1.00000   0.02533
O1   0.10650   0.08830   0.21520   1.00000   0.01001
O2   0.11990   0.17410   0.73410   1.00000   0.00849
O-h3   0.10860   0.00000   0.71630   1.00000   0.01064
O4   0.36820   0.25010   0.78820   1.00000   0.01115
O5   0.35030   0.14080   0.11300   1.00000   0.01089
O6   0.34360   0.11620   0.61090   1.00000   0.01254
O7   0.34000   0.00000   0.27310   1.00000   0.01355