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: Ae601, T = 298 K
_database_code_amcsd 0004208
9.7176 8.8792 5.2828 90 106.530 90 C2/c
atom      x     y     z  occ  Uiso
Na2       0 .3011   .25 .604 .0122
Ca2       0 .3011   .25 .396 .0122
Fe3+1     0 .9016   .25 .604 .0064
Fe2+1     0 .9016   .25 .396 .0064
Si    .2892 .0908 .2335      .0042
O1    .1154 .0815 .1420      .0087
O2    .3592 .2531 .3093      .0107
O3    .3513 .0126 .0050      .0089