AM_Warwickite_4 Formula: B Al.02 Cr.17 Fe.47 Ti.16 Mg1.18 O4 Name: Warwickite Unit cell: 9.228 3.084 9.371 90.0 90.0 90.0 , V=266.69 Space group: PNMA (62)

Bigi S , Brigatti M F , Capedri S , American Mineralogist , 76 (1991) p.1380-1388, Crystal chemistry of Fe- and Cr-rich warwickite, sample S4