Aegirine
Ghose S, Kersten M, Langer K, Rossi G, Ungaretti L
Physics and Chemistry of Minerals 13 (1986) 291-305
Crystal field spectra and Jahn Teller effect of Mn3+
in clinopyroxene and clinoamphiboles from India
Note: variety blanfordite
_database_code_amcsd 0007425
9.6787 8.8394 5.2755 90 106.903 90 C2/c
atom      x      y      z  occ Biso
CaM2      0 .30020    .25  .34  .85
NaM2      0 .30020    .25  .66  .85
AlM1      0 .90098    .25  .02  .45
TiM1      0 .90098    .25  .01  .45
FeM1      0 .90098    .25  .52  .45
MnM1      0 .90098    .25  .09  .45
MgM1      0 .90098    .25  .36  .45
Al   .28911 .09109 .23338 .005  .35
Si   .28911 .09109 .23338 .995  .35
O1   .11465 .08185 .13927       .59
O2   .35967 .25376 .30926       .69
O3   .35132 .01229 .00546       .59