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 = 7.1 GPa
_database_code_amcsd 0006654
8.0764 12.8471 6.9991 90.548 116.830 87.903 C-1
atom       x      y      z  occ Biso
KM     .2586 -.0035  .1437 .986 1.85
NaM    .2586 -.0035  .1437 .014 1.85
AlT1o -.0129  .1911  .2134 .944 1.26
SiT1o -.0129  .1911  .2134 .056 1.26
AlT1m -.0117  .8185  .2292 .068 1.48
SiT1m -.0117  .8185  .2292 .932 1.48
AlT2o  .6912  .1199  .3357 .009 1.36
SiT2o  .6912  .1199  .3357 .991 1.36
AlT2m  .6856  .8866  .3476 .009 1.36
SiT2m  .6856  .8866  .3476 .991 1.36
Oa1    .0004  .1529 -.0145      1.60
Oa2    .6064  .0057  .2901      2.36
Obo    .7819  .1491  .1827      1.78
Obm    .7887  .8612  .1980      1.74
Oco    .0064  .3181  .2731      2.04
Ocm    .0196  .6864  .2875      2.08
Odo    .1707  .1222  .4074      2.00
Odm    .1574  .8786  .4154      1.81