data_global
_chemical_name_mineral 'Albite'
loop_
_publ_author_name
'Meneghinello E'
'Alberti A'
'Cruciani G'
_journal_name_full 'American Mineralogist'
_journal_volume 84 
_journal_year 1999
_journal_page_first 1144
_journal_page_last 1151
_publ_section_title
;
 Order-disorder process in the tetrahedral sites af albite
 Sample: 1080-10d
;
_database_code_amcsd 0002269
_chemical_compound_source 'Stintino, Sardinia, Italy'
_chemical_formula_sum 'Na.996 Ca.01 K.004 (Al Si3) O8'
_cell_length_a 8.154
_cell_length_b 12.794
_cell_length_c 7.129
_cell_angle_alpha 93.81
_cell_angle_beta 116.54
_cell_angle_gamma 88.48
_cell_volume 663.868
_exptl_crystal_density_diffrn      2.628
_symmetry_space_group_name_H-M 'C -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'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Na   0.27050   0.99320   0.14410   0.99600
Ca   0.27050   0.99320   0.14410   0.01000
K   0.27050   0.99320   0.14410   0.00400
Al1o   0.00950   0.16850   0.21090   0.78000
Si1o   0.00950   0.16850   0.21090   0.22000
Si1m   0.00450   0.81860   0.23430   0.90000
Al1m   0.00450   0.81860   0.23430   0.10000
Si2o   0.69220   0.11020   0.31800   0.94000
Al2o   0.69220   0.11020   0.31800   0.06000
Si2m   0.68430   0.88080   0.35810   0.94000
Al2m   0.68430   0.88080   0.35810   0.06000
OA1   0.00520   0.13370   0.97350   1.00000
OA2   0.59370   0.99530   0.28050   1.00000
OBo   0.81540   0.11130   0.19420   1.00000
OBm   0.81990   0.85040   0.25270   1.00000
OCo   0.01510   0.29930   0.27050   1.00000
OCm   0.02470   0.69200   0.22840   1.00000
ODo   0.20270   0.11100   0.38910   1.00000
ODm   0.18480   0.86860   0.43150   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 0.01480 0.07930 0.04960 -0.00740 0.00100 -0.04270
Ca 0.01480 0.07930 0.04960 -0.00740 0.00100 -0.04270
K 0.01480 0.07930 0.04960 -0.00740 0.00100 -0.04270
Al1o 0.01150 0.01010 0.00850 -0.00320 0.00550 0.00010
Si1o 0.01150 0.01010 0.00850 -0.00320 0.00550 0.00010
Si1m 0.01020 0.01020 0.00770 0.00140 0.00450 0.00080
Al1m 0.01020 0.01020 0.00770 0.00140 0.00450 0.00080
Si2o 0.00980 0.00780 0.01100 -0.00090 0.00460 0.00040
Al2o 0.00980 0.00780 0.01100 -0.00090 0.00460 0.00040
Si2m 0.00940 0.00800 0.01100 -0.00070 0.00480 0.00070
Al2m 0.00940 0.00800 0.01100 -0.00070 0.00480 0.00070
OA1 0.02580 0.01460 0.01560 -0.00330 0.01310 0.00180
OA2 0.01060 0.01040 0.01730 -0.00160 0.00550 0.00160
OBo 0.01820 0.01940 0.02440 -0.00460 0.01480 -0.00070
OBm 0.01820 0.02010 0.03230 0.00200 0.01790 -0.00140
OCo 0.01470 0.01510 0.02100 -0.00470 0.00830 -0.00370
OCm 0.01490 0.01150 0.01920 0.00300 0.00550 0.00120
ODo 0.01570 0.01560 0.01270 -0.00100 0.00400 0.00180
ODm 0.01520 0.01680 0.01240 -0.00130 0.00050 -0.00170