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 = 1.01 GPa
_database_code_amcsd 0004655
6.241 15.130 5.645 90 114.42 90 C2/c
atom      x      y       z  Uiso
Ca        0  .1696     .25  .010
S         0  .3268     .75  .008
O1     .084   .272    .590  .009
O2     .200   .382    .915  .012
WatOW -.213   .063   -.080  .020