data_global
_chemical_name_mineral 'Sanidine'
loop_
_publ_author_name
'Kimata M'
'Saito S'
'Shimizu M'
'Iida I'
'Matsui T'
_journal_name_full 'Neues Jahrbuch fur Mineralogie, Abhandlungen'
_journal_volume 171 
_journal_year 1996
_journal_page_first 199
_journal_page_last 213
_publ_section_title
;
 Low-temperature structures of orthoclase and sanidine
 Note: T = 296 K
;
_database_code_amcsd 0020561
_chemical_compound_source 'Volkesfeld, Eifel, Germany'
_chemical_formula_sum 'K (Si3 Al) O8'
_cell_length_a 8.534
_cell_length_b 13.010
_cell_length_c 7.176
_cell_angle_alpha 90
_cell_angle_beta 115.99
_cell_angle_gamma 90
_cell_volume 716.159
_exptl_crystal_density_diffrn      2.581
_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
K   0.28410   0.00000   0.13700   1.00000   0.02956
SiT1   0.00930   0.18430   0.22390   0.69200   0.01126
AlT1   0.00930   0.18430   0.22390   0.30800   0.01126
SiT2   0.70750   0.11770   0.34440   0.80800   0.01046
AlT2   0.70750   0.11770   0.34440   0.19200   0.01046
Oa1   0.00000   0.14610   0.00000   1.00000   0.02072
Oa2   0.63320   0.00000   0.28560   1.00000   0.02120
Ob   0.82730   0.14530   0.22670   1.00000   0.02366
Oc   0.03300   0.30980   0.25740   1.00000   0.01887
Od   0.18140   0.12650   0.40480   1.00000   0.01947