Diopside
Thompson R M, Downs R T
American Mineralogist 93 (2008) 177-186
The crystal structure of diopside at pressure to 10 GPa
Locality: DeKalb, New York
Sample: P = 2.32 GPa
_database_code_amcsd 0004497
9.6808 8.8488 5.2180 90 105.606 90 C2/c
atom      x      y      z Biso
Mg        0 .90867    .25  .37
Ca        0 .30270    .25  .72
Si   .28626 .09370 .22834  .43
O1   .11547 .08705 .14258  .62
O2   .36079 .25183 .31872  .71
O3   .35156 .01943 .99227  .60