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 = 350 deg C
feldspar
Locality: synthetic
_database_code_amcsd 0000537
8.1829 12.8947 7.1190 93.041 116.352 90.172 C-1
atom     x     y     z  occ Biso
Na   .2748 .0059 .1348 .983 8.60
Ca   .2748 .0059 .1348 .012 8.60
K    .2748 .0059 .1348 .005 8.60
Si1o .0089 .1674 .2164  .75 1.22
Al1o .0089 .1674 .2164  .25 1.22
Si1m .0054 .8155 .2284  .75 1.21
Al1m .0054 .8155 .2284  .25 1.21
Si2o .6919 .1096 .3242  .75 1.24
Al2o .6919 .1096 .3242  .25 1.24
Si2m .6877 .8785 .3525  .75 1.23
Al2m .6877 .8785 .3525  .25 1.23
Oa1  .0046 .1359 .9874      2.44
Oa2  .5951 .9924 .2798      1.84
Obo  .8210 .1136 .2021      2.48
Obm  .8198 .8491 .2434      2.90
Oco  .0198 .2933 .2748      2.26
Ocm  .0224 .6890 .2241      2.27
Odo  .1942 .1141 .3900      2.27
Odm  .1882 .8688 .4234      2.50