AM_Hedenbergite_2 Formula: Si2 Fe Ca O6 Name: Hedenbergite Unit cell: 9.884 9.11 5.264 90.0 105.11 90.0 , V=457.60 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 = 600 C, pyroxene