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 = 9.50 GPa
_database_code_amcsd 0004503
9.5270 8.6587 5.1306 90 105.067 90 C2/c
atom      x      y      z Biso
Mg        0 .91060    .25  .39
Ca        0 .30588    .25  .70
Si   .28614 .09547 .22733  .50
O1   .11520 .08809 .14222  .65
O2   .35914 .25645 .32137  .68
O3   .35342 .02336 .98756  .65