AM_Hedenbergite_43 Formula: Ca (Zn.165 Fe.835) Si2 O6 Name: Hedenbergite Unit cell: 9.8502 9.0294 5.2584 90.0 105.052 90.0 , V=451.64 Space group: C12/C1 (15)

Heuer M , Huber A L , Bromiley G D , Fehr K T , Bente K , Physics and Chemistry of Minerals , 32 (2005) p.552-563, Characterization of synthetic hedenbergite (CaFeSi2O6)-petedunnite (CaZnSi2O6), solid solution series by X-ray single crystal diffraction, Sample: hd7gb21