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: ae100/12 _database_code_amcsd 0006824 9.6549 8.7947 5.2938 90 107.394 90 C2/c atom x y z Biso NaM2 0 .3003 .25 1.25 FeM1 0 .8987 .25 .52 SiT .2905 .0887 .2344 .29 O1 .1141 .0772 .1374 .77 O2 .3586 .2550 .2990 .81 O3 .3494 .0095 .0111 .52