data_global
_chemical_name_mineral 'Albite		'
loop_
_publ_author_name
'Winter J K'
'Okamura F P'
'Ghose S'
_journal_name_full 'American Mineralogist'
_journal_volume 64 
_journal_year 1979
_journal_page_first 409
_journal_page_last 423
_publ_section_title
;
 A high-temperature structural study of high albite, monalbite, and the
 analbite - monalbite phase transition
 T = 1060 deg C, sample = monalbite
;
_database_code_amcsd 0000721
_chemical_compound_source 'Tiburon, Marin County, California, USA'
_chemical_formula_sum '(Na.998 K.002) (Si3 Al) O8'
_cell_length_a 8.297
_cell_length_b 12.994
_cell_length_c 7.144
_cell_angle_alpha 90
_cell_angle_beta 116.01
_cell_angle_gamma 90
_cell_volume 692.195
_exptl_crystal_density_diffrn      2.517
_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
Na   0.27750   0.00000   0.13850   0.99750
K   0.27750   0.00000   0.13850   0.00250
Si1   0.00840   0.17870   0.22360   0.75000
Al1   0.00840   0.17870   0.22360   0.25000
Si2   0.69750   0.11660   0.34210   0.75000
Al2   0.69750   0.11660   0.34210   0.25000
Oa1   0.00000   0.14110   0.00000   1.00000
Oa2   0.61260   0.00000   0.28520   1.00000
Ob   0.82270   0.13660   0.22460   1.00000
Oc   0.02940   0.30490   0.25370   1.00000
Od   0.18730   0.12330   0.40440   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
Na 0.16366 0.23523 0.16435 0.00000 0.01868 0.00000
K 0.16366 0.23523 0.16435 0.00000 0.01868 0.00000
Si1 0.06169 0.03593 0.03091 -0.00393 0.01479 -0.00085
Al1 0.06169 0.03593 0.03091 -0.00393 0.01479 -0.00085
Si2 0.05465 0.02908 0.04072 -0.00344 0.01285 -0.00127
Al2 0.05465 0.02908 0.04072 -0.00344 0.01285 -0.00127
Oa1 0.08591 0.06501 0.04553 0.00000 0.04366 0.00000
Oa2 0.07915 0.03250 0.06578 0.00000 0.02231 0.00000
Ob 0.06620 0.08383 0.08834 -0.03092 0.04220 0.00634
Oc 0.10197 0.04191 0.07267 -0.00834 0.02644 -0.00507
Od 0.07211 0.07271 0.04824 0.00884 0.00679 0.00972