AM_Hedenbergite_44 Formula: Ca Zn.496 Fe.504 Si2 O6 Name: Hedenbergite Unit cell: 9.8447 9.0175 5.2614 90.0 105.342 90.0 , V=450.43 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: hd4gb31