Aegirine
McCarthy A C, Downs R T, Thompson R M, Redhammer G J
American Mineralogist 93 (2008) 1829-1837
In situ high-pressure single-crystal X-ray study of aegirine, NaFe3+Si2O6,
and the role of M1 size in clinopyroxene compressibility
Locality: synthetic
Note: Pressure = 1.78 GPa
_database_code_amcsd 0004760
9.6067 8.7501 5.2698 90 107.258 90 C2/c
atom     x     y     z Biso
Na       0 .3002   .25 1.08
Fe       0 .8997   .25  .64
Si   .2904 .0901 .2355  .61
O1   .1150 .0792 .1397  .80
O2   .3595 .2567 .3028  .90
O3   .3527 .0107 .0110  .74