data_global
_chemical_name_mineral 'Sanidine'
loop_
_publ_author_name
'Ferguson R B'
'Ball N A'
'Cerny P'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 29 
_journal_year 1991
_journal_page_first 543
_journal_page_last 552
_publ_section_title
;
 Structure refinement of an adularian end-member high sanidine from the
 Buck Claim Pegmatite, Bernic Lake, Manitoba
 Sample: I
 Note: variety adularia
;
_database_code_amcsd 0005270
_chemical_compound_source 'Buck Claim Pegmatite, Bernic Lake, Manitoba, Canada'
_chemical_formula_sum 'K (Si3 Al) O8'
_cell_length_a 8.603
_cell_length_b 13.036
_cell_length_c 7.174
_cell_angle_alpha 90
_cell_angle_beta 116.03
_cell_angle_gamma 90
_cell_volume 722.944
_exptl_crystal_density_diffrn      2.557
_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
K   0.28690   0.00000   0.13830   1.00000
SiT1   0.01000   0.18584   0.22390   0.75000
AlT1   0.01000   0.18584   0.22390   0.25000
SiT2   0.71080   0.11828   0.34420   0.75000
AlT2   0.71080   0.11828   0.34420   0.25000
OA1   0.00000   0.14760   0.00000   1.00000
OA2   0.63960   0.00000   0.28390   1.00000
OB   0.83010   0.14860   0.22640   1.00000
OC   0.03610   0.31030   0.25720   1.00000
OD   0.17820   0.12720   0.40260   1.00000
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
K 0.02030 0.03930 0.02960 0.00000 0.01000 0.00000
SiT1 0.01210 0.01210 0.01210 0.00000 0.00530 0.00000
AlT1 0.01210 0.01210 0.01210 0.00000 0.00530 0.00000
SiT2 0.01190 0.01190 0.01190 0.00000 0.00520 0.00000
AlT2 0.01190 0.01190 0.01190 0.00000 0.00520 0.00000
OA1 0.03160 0.02110 0.01630 0.00000 0.01360 0.00000
OA2 0.01890 0.01800 0.02320 0.00000 0.00490 0.00000
OB 0.02250 0.03320 0.02630 -0.00580 0.01470 0.00030
OC 0.01920 0.02030 0.02140 -0.00250 0.00930 -0.00180
OD 0.02270 0.02360 0.01600 0.00270 0.00530 0.00130