AM_Hedenbergite_4 Formula: Si2 Fe Ca O6 Name: Hedenbergite Unit cell: 9.906 9.164 5.273 90.0 105.22 90.0 , V=461.89 Space group: C12/C1 (15)
Cameron M , Sueno S , Prewitt C T , Papike J J , American Mineralogist , 58 (1973) p.594-618, High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite,, spodumene, and ureyite, T = 900 C, pyroxene