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: ae60/1 _database_code_amcsd 0006821 9.7189 8.8818 5.2835 90 106.598 90 C2/c atom x y z occ Biso NaM2 0 .2982 .25 .60 .66 CaM2 0 .2982 .25 .40 .66 FeM1 0 .9013 .25 .44 SiT .2893 .0895 .2368 .39 O1 .1182 .0851 .1469 .58 O2 .3613 .2500 .3127 .77 O3 .3496 .0134 .0049 .65