Iron Ore - Mining Artifacts - HomesteadThe name refers to the early years of mining, when certain hematite ores . The typical magnetite iron ore concentrate has less than 0.1% phosphorus, 3-7%.iron ore mining 3 hematite ore,Hematite: A primary ore of iron and a pigment mineral - GeologyHematite is the most important ore of iron and it has been used by people as a pigment for at least 40000 years. . It is an iron oxide with a chemical composition of Fe2O3. . investments allow companies to efficiently mine and process the ore.
iron ore mining 3 hematite ore