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: F13
;
_database_code_amcsd 0005457
_chemical_formula_sum 'Si6.608 Al1.702 Mg4.14 Fe.35 Ti.06 Cr.22 Ca1.92 Na.533 K.17 H2 O24'
_cell_length_a 9.886
_cell_length_b 18.009
_cell_length_c 5.291
_cell_angle_alpha 90
_cell_angle_beta 105.24
_cell_angle_gamma 90
_cell_volume 908.867
_exptl_crystal_density_diffrn      3.098
_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   0.27980   0.08510   0.30200   0.82600   0.00481
AlT1   0.27980   0.08510   0.30200   0.17400   0.00481
SiT2   0.28980   0.17260   0.81100   0.82600   0.00519
AlT2   0.28980   0.17260   0.81100   0.17400   0.00519
MgM1   0.00000   0.08880   0.50000   0.92000   0.00570
FeM1   0.00000   0.08880   0.50000   0.08000   0.00570
TiM2   0.00000   0.17620   0.00000   0.03000   0.00557
CrM2   0.00000   0.17620   0.00000   0.11000   0.00557
AlM2   0.00000   0.17620   0.00000   0.10000   0.00557
FeM2   0.00000   0.17620   0.00000   0.02000   0.00557
MgM2   0.00000   0.17620   0.00000   0.74000   0.00557
AlM3   0.00000   0.00000   0.00000   0.11000   0.00557
MgM3   0.00000   0.00000   0.00000   0.82000   0.00557
FeM3   0.00000   0.00000   0.00000   0.07000   0.00557
FeM4   0.00000   0.27950   0.50000   0.02000   0.00849
CaM4   0.00000   0.27950   0.50000   0.48000   0.00849
FeM4*   0.00000   0.25590   0.50000   0.02000   0.00747
CaM4*   0.00000   0.25590   0.50000   0.48000   0.00747
NaA   0.00000   0.50000   0.00000   0.10700   0.01330
KA   0.00000   0.50000   0.00000   0.03400   0.01330
NaA(m)   0.02860   0.50000   0.06570   0.10600   0.04293
KA(m)   0.02860   0.50000   0.06570   0.03400   0.04293
NaA(2)   0.00000   0.46820   0.00000   0.10700   0.03014
KA(2)   0.00000   0.46820   0.00000   0.03400   0.03014
H   0.19760   0.00000   0.76150   1.00000   0.03356
O1   0.10780   0.08720   0.21730   1.00000   0.00823
O2   0.11940   0.17280   0.73030   1.00000   0.00735
O-h3   0.10840   0.00000   0.71640   1.00000   0.00861
O4   0.36650   0.24940   0.78910   1.00000   0.01001
O5   0.34840   0.13890   0.11020   1.00000   0.01064
O6   0.34360   0.11650   0.60620   1.00000   0.01115
O7   0.33850   0.00000   0.28050   1.00000   0.01381