Orthoclase
Colville A A, Ribbe P H
American Mineralogist 53 (1968) 25-37
The crystal structure of an adularia and a refinement of the structure of orthoclase
Locality: St. Gotthard, Switzerland, known as Spencer C
_database_code_amcsd 0000167
8.561 12.996 7.192 90 116.01 90 C2/m
atom     x     y     z occ Biso
K    .2838     0 .1373     2.23
Si1  .0095 .1844 .2239 .65  .91
Al1  .0095 .1844 .2239 .35  .91
Si2  .7089 .1178 .3443 .85  .80
Al2  .7089 .1178 .3443 .15  .80
OA1      0 .1459     0      1.8
OA2  .6346     0 .2851      1.8
OB   .8280 .1470 .2282      2.2
OC   .0349 .3106 .2607      1.7
OD   .1815 .1258 .4065      1.6