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 = 0.56 GPa
_database_code_amcsd 0004654
6.263 15.163 5.662 90 114.24 90 C2/c
atom      x      y       z  Uiso
Ca        0  .1711     .25  .009
S         0  .3288     .75  .006
O1     .082   .276    .591  .010
O2     .203   .387    .917  .012
WatOW -.213   .069   -.082  .023