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: Hd102m, T = 298 K
_database_code_amcsd 0004197
9.8248 8.9973 5.2549 90 105.013 90 C2/c
atom      x     y     z  occ  Uiso
Ca2       0 .3006   .25 .904 .0086
Na2       0 .3006   .25 .096 .0086
Fe2+1     0 .9064   .25 .904 .0054
Fe3+1     0 .9064   .25 .096 .0054
Si    .2878 .0922 .2328      .0040
O1    .1189 .0888 .1503      .0076
O2    .3619 .2476 .3214      .0088
O3    .3505 .0183 .9954      .0075