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/F3d _database_code_amcsd 0006825 9.6543 8.8070 5.2943 90 107.316 90 C2/c atom x y z Biso NaM2 0 .2983 .25 .43 FeM1 0 .8985 .25 .478 SiT .2905 .0889 .2324 .14 O1 .1118 .0772 .1378 1.19 O2 .3599 .2540 .3026 .59 O3 .3489 .0117 .0076 .34