AM_Spinel_393 Formula: Mg.736 Al1.129 Fe.307 Mn.004 Si.002 Zn.003 Cr.799 Ni.005 Ti.005 O4 Name: Spinel Unit cell: 8.2129 8.2129 8.2129 90.0 90.0 90.0 , V=553.97 Space group: FD3M (227)

Carraro A , European Journal of Mineralogy , 15 (2003) p.681-688, Crystal chemistry of Cr-spinels from a suite of spinel peridotite mantle, xenoliths from the Predazzo Area (Dolomites, Northern Italy), Sample: CRSP4, Locality: Predazzo area, Dolomites, Northern Italy