AM_Aegirine Formula: Si2 Fe Na O6 Name: Aegirine Unit cell: 9.658 8.795 5.294 90.0 107.42 90.0 , V=429.06 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 = 24 C, pyroxene