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, heavy media separation, radiation shielding, ballast, polishing . checks the streak, a reddish streak will rule out identification as magnetite or pyrrhotite.how is hematite separated out of iron ore,Iron ore - WikipediaIron ores are rocks and minerals from which metallic iron can be economically extracted. . The thermodynamic barriers to separating pure iron from these minerals are formidable . Most large hematite iron-ore deposits are sourced from altered banded iron formations ... Most of it is slagged off during the smelting process.
how is hematite separated out of iron ore