Albite
Harlow G E
American Mineralogist 67 (1982) 975-996
The anorthoclase structures: The effects of temperature and composition
Sample: Or = 32.5, T = 23 C
Locality: Grande Calderira, Azores
_database_code_amcsd 0019652
8.290 12.966 7.151 91.18 116.31 90.14 C-1
atom     x     y     z  occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Na   .2750 .0013 .1366 .686 -.0014 0.0065 0.0139 0.0002 -.0007 -.0052
K    .2750 .0013 .1366 .334 -.0014 0.0065 0.0139 0.0002 -.0007 -.0052
Ca   .2750 .0013 .1366 .008 -.0014 0.0065 0.0139 0.0002 -.0007 -.0052
Al1  .0085 .1753 .2207  .25 0.0056 0.0017 0.0051 -.0004 0.0028 0.0000
Si1  .0085 .1753 .2207 .750 0.0056 0.0017 0.0051 -.0004 0.0028 0.0000
Al2  .0069 .8180 .2252  .25 0.0053 0.0015 0.0051 0.0007 0.0026 0.0002
Si2  .0069 .8180 .2252 .750 0.0053 0.0015 0.0051 0.0007 0.0026 0.0002
Al3  .6954 .1140 .3354  .25 0.0051 0.0011 0.0065 0.0000 0.0026 0.0002
Si3  .6954 .1140 .3354 .750 0.0051 0.0011 0.0065 0.0000 0.0026 0.0002
Al4  .6941 .8815 .3465  .25 0.0054 0.0011 0.0063 0.0003 0.0027 0.0001
Si4  .6941 .8815 .3465 .750 0.0054 0.0011 0.0063 0.0003 0.0027 0.0001
O1   .0016 .1388 .9947      0.0124 0.0030 0.0097 0.0006 0.0061 0.0004
O2   .6056 .9972 .2828      0.0086 0.0018 0.0124 0.0001 0.0032 0.0002
O3   .8233 .1279 .2180      0.0095 0.0041 0.0158 -.0010 0.0075 0.0005
O4   .8227 .8574 .2329      0.0094 0.0039 0.0151 0.0011 0.0071 -.0002
O5   .0233 .3012 .2618      0.0088 0.0022 0.0122 -.0003 0.0044 -.0003
O6   .0241 .6916 .2421      0.0084 0.0020 0.0118 0.0003 0.0030 0.0004
O7   .1897 .1204 .4004      0.0090 0.0025 0.0087 0.0006 0.0023 0.0008
O8   .1883 .8725 .4125      0.0086 0.0027 0.0095 -.0003 0.0022 -.0007