AM_Aegirine_31 Formula: Fe.992 Na.978 Si1.96 O6 Name: Aegirine Unit cell: 9.68 8.83 5.3 90.0 107.3 90.0 , V=432.52 Space group: C12/C1 (15)

Ballet O , Coey J M D , Fillion G , Ghose A , Hewat A W , Regnard J R , Physics and Chemistry of Minerals , 16 (1989) p.672-677