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 = 8.7 GPa
Note: cell parameters obtained by linear regression
_database_code_amcsd 0001871
9.668 8.756 5.128 90 103.82 90 C2/c
atom      x      y      z Biso
Ca        0 .30447    .25  .52
Fe        0 .91001    .25  .41
Si   .28793 .09474 .23087  .39
O1   .12003 .09248 .15227  .62
O2   .35991 .25203 .32914  .77
O3   .35338 .02592 .98464  .63