Aegirine
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: Ae701, T = 298 K
_database_code_amcsd 0004209
9.6993 8.8579 5.2813 90 106.637 90 C2/c
atom      x     y     z  occ  Uiso
Na2       0 .3009   .25 .711 .0108
Ca2       0 .3009   .25 .289 .0108
Fe3+1     0 .9012   .25 .711 .0040
Fe2+1     0 .9012   .25 .289 .0040
Si    .2894 .0904 .2340      .0029
O1    .1152 .0818 .1413      .0056
O2    .3586 .2532 .3078      .0076
O3    .3514 .0118 .0074      .0055