Paragonite
Comodi P, Zanazzi P F
Physics and Chemistry of Minerals 24 (1997) 274-280
Pressure dependence of structural parameters of paragonite
Sample: P = 4.05 GPa
_database_code_amcsd 0008003
5.062 8.769 18.64 90 95.2 90 C2/c
atom    x     y      z   occ Uiso
SiT1 .963 .4269   .142 .7525 .004
AlT1 .963 .4269   .142 .2475 .004
SiT2 .450 .2566   .141 .7525 .007
AlT2 .450 .2566   .141 .2475 .007
AlM2 .251 .0829 -.0004  .985 .003
TiM2 .251 .0829 -.0004 .0035 .003
FeM2 .251 .0829 -.0004  .005 .003
MnM2 .251 .0829 -.0004  .001 .003
MgM2 .251 .0829 -.0004  .003 .003
Na      0  .095    .25   .88 .017
K       0  .095    .25    .1 .017
Ca      0  .095    .25   .01 .017
Ba      0  .095    .25   .01 .017
O1   .960  .439   .051       .000
O2   .389  .251   .054       .007
O3   .372  .090   .175       .007
O4   .765  .287   .170       .009
O5   .264  .385   .179       .014
OH   .953  .066   .055       .007