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: Ae504, T = 200 K
_database_code_amcsd 0004205
9.7361 8.9020 5.2733 90 106.099 90 C2/c
atom      x     y     z  occ  Uiso
Ca2       0 .3011   .25 .503 .0074
Na2       0 .3011   .25 .497 .0074
Fe2+1     0 .9028   .25 .503 .0038
Fe3+1     0 .9028   .25 .497 .0038
Si    .2888 .0911 .2338      .0024
O1    .1158 .0831 .1441      .0068
O2    .3597 .2522 .3133      .0072
O3    .3511 .0144 .0033      .0061