Hedenbergite
Redhammer G J, Amthauer G, Roth G, Tippelt G, Lottermoser W
American Mineralogist 91 (2006) 1271-1292
Single crystal X-ray diffraction and temperature dependent 57Fe Mossbauer
spectroscopy on the hedenbergite - aegirine (Ca,Na)(Fe2+,Fe3+)Si2O6 solid solution
Locality: synthetic
Sample: Ae151, T = 298 K
_database_code_amcsd 0004198
9.8067 8.9852 5.2886 90 105.356 90 C2/c
atom      x     y     z  occ  Uiso
Ca2       0 .3016   .25 .850 .0101
Na2       0 .3016   .25 .150 .0101
Fe2+1     0 .9055   .25 .850 .0067
Fe3+1     0 .9055   .25 .150 .0067
Si    .2880 .0923 .2323      .0039
O1    .1179 .0873 .1477      .0089
O2    .3614 .2493 .3201      .0107
O3    .3506 .0172 .9963      .0093