Gypsum
Comodi P, Nazzareni S, Zanazzi P F, Speziale S
American Mineralogist 93 (2008) 1530-1537
High-pressure behavior of gypsum: A single-crystal X-ray study
Locality: Valle di Caramanico, Abruzzo, Italy
Note: P = 0.33 GPa
_database_code_amcsd 0004653
6.269 15.140 5.665 90 114.10 90 C2/c
atom      x      y       z  Uiso
Ca        0  .1709     .25  .011
S         0  .3267     .75  .008
O1     .085   .273    .591  .010
O2     .200   .383    .916  .011
WatOW -.209   .066   -.082  .026