Aragonite
Antao S M, Hassan I
The Canadian Mineralogist 48 (2010) 1225-1236
Temperature dependence of the structural parameters
in the transformation of aragonite to calcite,
as determined from in situ synchrotron powder X-ray-diffraction data
Locality: Cuenca, Spain
Note: T = 434 C
Note: P = 101 kPa
_database_code_amcsd 0017846
4.9750 8.0446 5.8329 90 90 90 Pmcn
atom      x     y      z Uiso
Ca      .25 .4133  .7564 .020
C       .25 .7613 -.0622 .039
O1      .25 .9195 -.0839 .039
O2    .4707 .6865 -.0968 .039