Hedenbergite 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: ae25/20 _database_code_amcsd 0006817 9.7951 8.9698 5.2634 90 105.523 90 C2/c atom x y z occ Biso NaM2 0 .2977 .25 .25 .66 CaM2 0 .2977 .25 .75 .66 FeM1 0 .9042 .25 .44 SiT .2906 .0896 .2395 .39 O1 .1162 .0937 .1580 .58 O2 .3624 .2491 .3109 .77 O3 .3423 .0192 .9940 .65