what is a non metallic ore

Iron Ore - AIMR 2011 - Australian Mines Atlas Australia's iron ore reserves and resources are in both hematite and magnetite ores. Because of the high average grades (% Fe) of hematite ores when compared to the ... RHODOCHROSITE (Manganese Carbonate) Rhodochrosite (whose name means rose-colored) is a very attractive mineral with an absolutely one-of-a-kind, beautiful color. Although it can be an ore of manganese ... Iron ore - Wikipedia Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in colour from dark grey ...    Read More