Albite
Prewitt C T, Sueno S, Papike J J
American Mineralogist 61 (1976) 1213-1225
The crystal structures of high albite and monalbite at high temperatures
T = 750 deg C
feldspar
Locality: synthetic
_database_code_amcsd 0000539
8.2296 12.9336 7.1357 91.956 116.232 90.078 C-1
atom     x     y     z  occ  Biso
Na   .2769 .0029 .1374 .983 10.80
Ca   .2769 .0029 .1374 .012 10.80
K    .2769 .0029 .1374 .005 10.80
Si1o .0087 .1718 .2189  .75  1.89
Al1o .0087 .1718 .2189  .25  1.89
Si1m .0066 .8177 .2268  .75  1.85
Al1m .0066 .8177 .2268  .25  1.85
Si2o .6940 .1123 .3316  .75  1.88
Al2o .6940 .1123 .3316  .25  1.88
Si2m .6919 .8805 .3494  .75  1.89
Al2m .6919 .8805 .3494  .25  1.89
Oa1  .0030 .1374 .9912       3.60
Oa2  .6012 .9951 .2825       2.85
Obo  .8221 .1225 .2114       3.86
Obm  .8216 .8548 .2370       4.24
Oco  .0226 .2974 .2670       3.26
Ocm  .0242 .6915 .2376       3.38
Odo  .1912 .1175 .3951       3.51
Odm  .1882 .8714 .4166       3.70