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: Ae851
_database_code_amcsd 0004212
9.6654 8.8184 5.2805 90 106.976 90 C2/c
atom      x     y     z  occ  Uiso
Na2       0 .3001   .25 .851 .0127
Ca2       0 .3001   .25 .149 .0127
Fe3+1     0 .8997   .25 .851 .0046
Fe2+1     0 .8997   .25 .149 .0046
Si    .2900 .0899 .2346      .0036
O1    .1147 .0794 .1392      .0059
O2    .3587 .2548 .3038      .0090
O3    .3518 .0099 .0088      .0071