Hedenbergite
Abdu Y A, Hawthorne F C
American Mineralogist 98 (2013) 1227-1234
Local structure in C2/c clinopyroxenes on the hedenbergite (CaFeSi2O6)-
ferrosilite (Fe2Si2O6) join: A new interpretation for the Mossbauer spectra
of Ca-rich C2/c clinopyroxenes and implications for pyroxene exsolution
Note split-M2-O2-O3 model
Sample: Hd50Fs50
Locality: synthetic
_database_code_amcsd 0019861
9.793 9.078 5.238 90 106.27 90 C2/c
atom       x      y      z occ   Uiso
FeM1       0 .90516    .25     .00920
FeM2       0  .2976    .25 .50  .0125
CaM2'      0  .2630    .25 .50  .0125
SiT   .29328 .08959 .24272     .00871
O1    .12169 .08959  .1535      .0103
O2'    .3606  .2463   .320  .5  .0106
O2''   .3806  .2372   .373  .5  .0106
O3'    .3520  .0136  .0042  .5  .0082
O3''   .3511  .0394 -.0115  .5  .0082