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 = 3.35 GPa
_database_code_amcsd 0004761
9.5667 8.7128 5.2484 90 107.095 90 C2/c
atom     x     y     z Biso
Na       0 .3011   .25 1.08
Fe       0 .9005   .25  .65
Si   .2907 .0908 .2356  .57
O1   .1150 .0800 .1398  .68
O2   .3574 .2578 .3052  .82
O3   .3532 .0125 .0101  .76