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 = 2.8 GPa
Note: cell parameters obtained by linear regression
_database_code_amcsd 0001864
9.772 8.931 5.200 90 104.34 90 C2/c
atom      x      y      z Biso
Ca        0 .30114    .25  .55
Fe        0 .90831    .25  .45
Si   .28797 .09255 .23180  .43
O1   .12006 .09073 .15283  .65
O2   .36200 .24830 .32479  .84
O3   .35139 .02186 .98851  .55