Ulvospinel_1 Formula: Ti (Fe1.804 Mn.196) O4 Name: Ulvospinel Unit cell: 8.557 8.557 8.557 90.0 90.0 90.0 , V=626.56 Space group: FD3M (227)
Sedler I K , Feenstra A , Peters T , European Journal of Mineralogy , 6 (1994) p.873-885, An X-ray powder diffraction study of synthetic (Fe,Mn)2TiO4 spinel, Sample: D-17