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 = 7.08 GPa
_database_code_amcsd 0004500
9.5731 8.7197 5.1580 90 105.203 90 C2/c
atom      x      y      z Biso
Mg        0 .90984    .25  .40
Ca        0 .30480    .25  .71
Si   .28616 .09503 .22743  .48
O1   .11519 .08817 .14212  .62
O2   .35924 .25493 .32145  .72
O3   .35263 .02196 .98889  .69