Aegirine
Redhammer G J, Amthauer G, Lottermoser W, Treutmann W
European Journal of Mineralogy 12 (2000) 105-120
Synthesis and structural properties of clinopyroxenes of the
hedenbergite CaFeSi2O6 - aegirine NaFeSi2O6 solid-solution series
Sample: ae75/20
_database_code_amcsd 0006822
9.6977 8.8519 5.2861 90 106.765 90 C2/c
atom     x     y     z occ Biso
NaM2     0 .2975   .25 .75  .66
CaM2     0 .2975   .25 .25  .66
FeM1     0 .8998   .25      .44
SiT  .2884 .0883 .2361      .39
O1   .1171 .0830 .1351      .58
O2   .3507 .2504 .3128      .77
O3   .3493 .0118 .0105      .65