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 = 9.76 GPa
_database_code_amcsd 0004765
9.4220 8.5480 5.1597 90 106.371 90 C2/c
atom     x     y     z Biso
Na       0 .3050   .25 1.17
Fe       0 .9018   .25  .82
Si   .2911 .0918 .2368  .77
O1   .1149 .0824 .1412  .78
O2   .3562 .2615 .3186  .94
O3   .3557 .0188 .0032  .98