Paragonite
Comodi P, Zanazzi P F
Physics and Chemistry of Minerals 24 (1997) 274-280
Pressure dependence of structural parameters of paragonite
Sample: P = 2.54 GPa
_database_code_amcsd 0008002
5.082 8.813 18.91 90 94.7 90 C2/c
atom     x     y     z   occ Uiso
SiT1 .9613 .4271 .1430 .7525 .004
AlT1 .9613 .4271 .1430 .2475 .004
SiT2 .4490 .2563 .1412 .7525 .007
AlT2 .4490 .2563 .1412 .2475 .007
AlM2 .2476 .0827 .0011  .985 .005
TiM2 .2476 .0827 .0011 .0035 .005
FeM2 .2476 .0827 .0011  .005 .005
MnM2 .2476 .0827 .0011  .001 .005
MgM2 .2476 .0827 .0011  .003 .005
Na       0  .095   .25   .88 .021
K        0  .095   .25    .1 .021
Ca       0  .095   .25   .01 .021
Ba       0  .095   .25   .01 .021
O1    .959  .440  .054       .009
O2    .385  .252  .053       .007
O3    .373  .092  .178       .012
O4    .762  .290  .169       .009
O5    .262  .384  .179       .013
OH    .955  .063  .052       .003