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 = 5.3 GPa
Note: cell parameters obtained by linear regression
_database_code_amcsd 0001868
9.724 8.856 5.168 90 104.14 90 C2/c
atom      x      y      z Biso
Ca        0 .30307    .25  .50
Fe        0 .90937    .25  .39
Si   .28772 .09392 .23071  .37
O1   .12070 .09143 .15140  .64
O2   .36140 .25005 .32681  .71
O3   .35300 .02373 .98570  .59