data_global
_chemical_name_mineral 'Annite'
loop_
_publ_author_name
'Brigatti M F'
'Frigieri P'
'Ghezzo c'
'Poppi L'
_journal_name_full 'American Mineralogist'
_journal_volume 85 
_journal_year 2000
_journal_page_first 436
_journal_page_last 448
_publ_section_title
;
 Crystal chemistry of Al-rich biotites coexisting with muscovites in
 peraluminous granites
 Sample: GFS15a
;
_database_code_amcsd 0002386
_chemical_compound_source 'Sos Canales pluton, Sardinia Island, Italy'
_chemical_formula_sum 'K.96 Na.02 Ca.03 Ba.01 Fe1.38 Mg.73 Ti.14 Al1.9 Si2.68 O11.68 F.32 H1.56'
_cell_length_a 5.339
_cell_length_b 9.232
_cell_length_c 10.208
_cell_angle_alpha 90
_cell_angle_beta 100.30
_cell_angle_gamma 90
_cell_volume 495.041
_exptl_crystal_density_diffrn      3.107
_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
KA   0.00000   0.50000   0.00000   0.96000
NaA   0.00000   0.50000   0.00000   0.02000
CaA   0.00000   0.50000   0.00000   0.03000
BaA   0.00000   0.50000   0.00000   0.01000
Fe2+1   0.00000   0.00000   0.50000   0.66000
Mg1   0.00000   0.00000   0.50000   0.17000
Fe2+2   0.00000   0.33310   0.50000   0.36000
Mg2   0.00000   0.33310   0.50000   0.28000
Ti2   0.00000   0.33310   0.50000   0.07000
Al2   0.00000   0.33310   0.50000   0.29000
SiT   0.07580   0.16694   0.22642   0.67000
AlT   0.07580   0.16694   0.22642   0.33000
O1   0.01620   0.00000   0.17000   1.00000
O2   0.32640   0.23150   0.16920   1.00000
O3   0.13220   0.16850   0.39200   1.00000
O-H4   0.12850   0.50000   0.39690   0.78000
O4   0.12850   0.50000   0.39690   0.06000
F4   0.12850   0.50000   0.39690   0.16000
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
KA 0.02830 0.01030 0.00860 0.00000 0.00345 0.00000
NaA 0.02830 0.01030 0.00860 0.00000 0.00345 0.00000
CaA 0.02830 0.01030 0.00860 0.00000 0.00345 0.00000
BaA 0.02830 0.01030 0.00860 0.00000 0.00345 0.00000
Fe2+1 0.00850 0.00280 0.00430 0.00000 0.00280 0.00000
Mg1 0.00850 0.00280 0.00430 0.00000 0.00280 0.00000
Fe2+2 0.00690 0.00306 0.00391 0.00000 0.00180 0.00000
Mg2 0.00690 0.00306 0.00391 0.00000 0.00180 0.00000
Ti2 0.00690 0.00306 0.00391 0.00000 0.00180 0.00000
Al2 0.00690 0.00306 0.00391 0.00000 0.00180 0.00000
SiT 0.00850 0.00367 0.00387 -0.00010 0.00220 0.00010
AlT 0.00850 0.00367 0.00387 -0.00010 0.00220 0.00010
O1 0.02000 0.00490 0.00567 0.00000 0.00090 0.00000
O2 0.01630 0.00780 0.00560 -0.00270 0.00390 -0.00040
O3 0.01730 0.00510 0.00400 0.00020 0.00210 0.00000
O-H4 0.01560 0.00580 0.00390 0.00000 0.00240 0.00000
O4 0.01560 0.00580 0.00390 0.00000 0.00240 0.00000
F4 0.01560 0.00580 0.00390 0.00000 0.00240 0.00000