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 = 4.2 GPa
Note: cell parameters obtained by linear regression
_database_code_amcsd 0001866
9.744 8.889 5.181 90 104.18 90 C2/c
atom      x      y      z Biso
Ca        0 .30236    .25  .55
Fe        0 .90902    .25  .40
Si   .28770 .09362 .23116  .42
O1   .12010 .09112 .15252  .65
O2   .36106 .24851 .32682  .70
O3   .35240 .02332 .98737  .68