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: Hd21, T = 100K
_database_code_amcsd 0004195
9.8357 9.0078 5.2408 90 104.664 90 C2/c
atom     x     y     z  Uiso
Ca2      0 .3012   .25 .0036
Fe1      0 .9082   .25 .0025
Si   .2879 .0928 .2321 .0022
O1   .1195 .0909 .1523 .0038
O2   .3631 .2467 .3241 .0047
O3   .3504 .0206 .9912 .0037