Ilmenite - Wikipedia
The Magpie titano-magnetite (iron-titanium-vanadium-chrome) deposits in eastern Quebec of Canada with about 1 billion tonnes containing about 43% Fe, 12% TiO2, 0.4% V2O5, and 2.2% Cr2O3. The Longnose deposit in Northeast Minnesota is considered to be "the largest and richest ilmenite deposit .