Titaniferous Magnetite: Titaniferous Magnetite mineral . - MindatPalache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University.magnetite ore titaniferrous,Ulvöspinel - WikipediaUlvöspinel or ulvite is an iron titanium oxide mineral with formula: Fe2TiO4 or TiFe2+2O4. It forms brown to black metallic isometric crystals with a Mohs hardness of 5.5 to 6. It belongs to the spinel group of minerals, as does magnetite, Fe3O4. Ulvöspinel forms as solid solutions with magnetite at high temperatures and . It is common in titaniferous magnetite iron ore deposits.