AM_Aegirine_1
Formula: Si2 Fe Na O6
Name: Aegirine
Unit cell: 9.677 8.829 5.298 90.0 107.33 90.0 , V=432.10
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 = 400 C, pyroxene