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 = 8.63 GPa
_database_code_amcsd 0004764
9.4426 8.5727 5.1740 90 106.482 90 C2/c
atom     x     y     z Biso
Na       0 .3048   .25  .98
Fe       0 .9015   .25  .60
Si   .2911 .0920 .2367  .60
O1   .1135 .0827 .1411  .70
O2   .3567 .2617 .3144  .95
O3   .3558 .0175 .0044  .59