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 = 1105 deg C
feldspar
Locality: synthetic
_database_code_amcsd 0000542
8.2783 12.9592 7.1452 90.056 116.087 89.997 C-1
atom     x     y     z  occ  Biso
Na   .2797     0 .1382 .983 12.59
Ca   .2797     0 .1382 .012 12.59
K    .2797     0 .1382 .005 12.59
Si1o .0081 .1783 .2230  .75  2.50
Al1o .0081 .1783 .2230  .25  2.50
Si1m .0080 .8214 .2233  .75  2.53
Al1m .0080 .8214 .2233  .25  2.53
Si2o .6963 .1160 .3420  .75  2.51
Al2o .6963 .1160 .3420  .25  2.51
Si2m .6964 .8838 .3426  .75  2.50
Al2m .6964 .8838 .3426  .25  2.50
Oa1  .0002 .1390 .9995       4.42
Oa2  .6072 .9999 .2850       3.43
Obo  .8238 .1345 .2242       5.31
Obm  .8239 .8654 .2252       5.35
Oco  .0266 .3041 .2534       4.61
Ocm  .0264 .6957 .2525       4.60
Odo  .1882 .1236 .4050       4.52
Odm  .1875 .8761 .4056       4.49