data_9000531
_chemical_name 'Albite'
loop_
_publ_author_name
'Prewitt C T'
'Sueno S'
'Papike J J'
_journal_name_full "American Mineralogist"
_journal_volume 61
_journal_year 1976
_journal_page_first 1213
_journal_page_last 1225
_publ_section_title
;
 The crystal structures of high albite and monalbite at high temperatures
 T = 1105 deg C
 feldspar
;
_chemical_formula_sum 'Na (Si3 Al) O8'
_cell_length_a 8.278
_cell_length_b 12.959
_cell_length_c 7.145
_cell_angle_alpha 90.1
_cell_angle_beta 116.1
_cell_angle_gamma 90
_cell_volume 688.316
_symmetry_space_group_name_H-M 'C -1'
loop_
_symmetry_equiv_pos_as_xyz
  '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_Uiso_or_equiv
Na   0.27970   0.00000   0.13820   1.00000   0.15945
Si1o   0.00810   0.17830   0.22300   0.75000   0.03166
Al1o   0.00810   0.17830   0.22300   0.25000   0.03166
Si1m   0.00800   0.82140   0.22330   0.75000   0.03204
Al1m   0.00800   0.82140   0.22330   0.25000   0.03204
Si2o   0.69630   0.11600   0.34200   0.75000   0.03179
Al2o   0.69630   0.11600   0.34200   0.25000   0.03179
Si2m   0.69640   0.88380   0.34260   0.75000   0.03166
Al2m   0.69640   0.88380   0.34260   0.25000   0.03166
Oa1   0.00020   0.13900   0.99950   1.00000   0.05598
Oa2   0.60720   0.99990   0.28500   1.00000   0.04344
Obo   0.82380   0.13450   0.22420   1.00000   0.06725
Obm   0.82390   0.86540   0.22520   1.00000   0.06776
Oco   0.02660   0.30410   0.25340   1.00000   0.05839
Ocm   0.02640   0.69570   0.25250   1.00000   0.05826
Odo   0.18820   0.12360   0.40500   1.00000   0.05725
Odm   0.18750   0.87610   0.40560   1.00000   0.05687