Microcline
Allan D R, Angel R J
European Journal of Mineralogy 9 (1997) 263-275
A high-pressure structural study of microcline (KAlSi3O8) to 7 GPa
P = 2.9 GPa
_database_code_amcsd 0006651
8.3722 12.899 7.1328 90.38 116.290 87.93 C-1
atom       x      y      z  occ Biso
KM     .2752 -.0063  .1366 .986 2.15
NaM    .2752 -.0063  .1366 .014 2.15
AlT1o  .0024  .1890  .2171 .944 1.32
SiT1o  .0024  .1890  .2171 .056 1.32
AlT1m  .0037  .8183  .2286 .068 1.40
SiT1m  .0037  .8183  .2286 .932 1.40
AlT2o  .7018  .1199  .3394 .009 1.27
SiT2o  .7018  .1199  .3394 .991 1.27
AlT2m  .6972  .8868  .3476 .009 1.38
SiT2m  .6972  .8868  .3476 .991 1.38
Oa1   -.0012  .1437 -.0145      1.63
Oa2    .6230  .0081  .2865      1.71
Obo    .8066  .1479  .2114      1.85
Obm    .8201  .8611  .2270      2.45
Oco    .0240  .3189  .2548      2.14
Ocm    .0289  .6932  .2731      1.68
Odo    .1856  .1234  .4065      2.00
Odm    .1758  .8742  .4122      1.83