Orthoclase
Kimata M, Saito S, Shimizu M, Iida I, Matsui T
Neues Jahrbuch fur Mineralogie, Abhandlungen 171 (1996) 199-213
Low-temperature structures of orthoclase and sanidine
Note: T = 296 K
Locality: Itrongay, Madagascar
_database_code_amcsd 0020549
8.600 13.005 7.193 90 116.03 90 C2/m
atom     x     y     z  occ
K    .2863     0 .1387
SiT1 .0096 .1856 .2240 .648
AlT1 .0096 .1856 .2240 .352
SiT2 .7104 .1180 .3443 .852
AlT2 .7104 .1180 .3443 .148
Oa1      0 .1462     0
Oa2  .6400     0 .2846
Ob   .8284 .1477 .2276
Oc   .0364 .3113 .2589
Od   .1795 .1263 .4060