data_global
_chemical_name_mineral 'Sanidine'
loop_
_publ_author_name
'Taylor W'
_journal_name_full 'Zeitschrift fur Kristallographie'
_journal_volume 85 
_journal_year 1933
_journal_page_first 425
_journal_page_last 442
_publ_section_title
;
 The structure of sanidine and other feldspars 2.56
 _cod_database_code 1011224
;
_database_code_amcsd 0018087
_chemical_formula_sum 'O8 (Si3 Al) K'
_cell_length_a 8.45
_cell_length_b 12.9
_cell_length_c 7.15
_cell_angle_alpha 90
_cell_angle_beta 116.1
_cell_angle_gamma 90
_cell_volume 699.910
_exptl_crystal_density_diffrn      2.641
_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
O1   0.00000   0.13880   0.00000   1.00000
O2   0.65830   0.00000   0.23670   1.00000
O3   0.82140   0.15300   0.23670   1.00000
O4   0.00000   0.31930   0.25070   1.00000
O5   0.15240   0.12480   0.41690   1.00000
Si1   0.00000   0.18600   0.21670   0.75000
Si2   0.70230   0.11090   0.34790   0.75000
Al1   0.00000   0.18600   0.21670   0.25000
Al2   0.70230   0.11090   0.34790   0.25000
K1   0.29400   0.00000   0.13940   1.00000