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 = 2.1 GPa
Note: cell parameters obtained by linear regression
_database_code_amcsd 0001863
9.787 8.952 5.209 90 104.43 90 C2/c
atom      x      y      z Biso
Ca        0 .30118    .25  .66
Fe        0 .90829    .25  .44
Si   .28800 .09319 .23190  .43
O1   .12013 .09058 .15349  .58
O2   .36220 .24791 .32470  .88
O3   .35093 .02114 .98950  .63