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: hd/10 _database_code_amcsd 0006816 9.8472 9.0288 5.2466 90 104.789 90 C2/c atom x y z occ Biso NaM2 0 .3011 .25 .10 1.05 CaM2 0 .3011 .25 .90 1.05 FeM1 0 .9072 .25 1.09 SiT .2870 .0917 .2318 .68 O1 .1237 .0896 .1492 1.26 O2 .3666 .2434 .3234 1.41 O3 .3452 .0196 .9961 1.58