Hedenbergite
Zhang L, Ahsbahs H, Hafner S S, Kutoglu A
American Mineralogist 82 (1997) 245-258
Single-crystal compression and crystal structure of clinopyroxene up to 10 GPa
Sample: at P = 7.6 GPa
Note: cell parameters obtained by linear regression
_database_code_amcsd 0001870
9.686 8.789 5.141 90 103.89 90 C2/c
atom      x      y      z Biso
Ca        0 .30423    .25  .50
Fe        0 .90987    .25  .39
Si   .28779 .09454 .23074  .38
O1   .11919 .09226 .15276  .63
O2   .36074 .25155 .32893  .78
O3   .35303 .02516 .98511  .63