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: Nahp22a, T = 298 K
_database_code_amcsd 0004216
9.6554 8.7952 5.2942 90 107.396 90 C2/c
atom     x     y     z  Uiso
Na2      0 .2989   .25 .0106
Fe1      0 .8989   .25 .0046
Si   .2907 .0893 .2358 .0028
O1   .1144 .0785 .1379 .0068
O2   .3589 .2558 .3015 .0095
O3   .3519 .0081 .0129 .0084