INDIAN GEOGRAPHY

Detailed explanation-1: -Hematite and magnetite are commonly exploited iron-bearing ores among the various minerals of iron like hematite (-Fe2O3 or -polymorph of ferric oxide), maghemite (-Fe2O3), magnetite (Fe3O4), limonite (FeO (OH).

Detailed explanation-2: -hematite, also spelled haematite, heavy and relatively hard oxide mineral, ferric oxide (Fe2O3), that constitutes the most important iron ore because of its high iron content (70 percent) and its abundance.

Detailed explanation-3: -Hematite Uses It is one of the finest iron ores in the world and one of the most important pigment minerals as well. It is a dense and inexpensive material. It is also used for ballasts for ships. It is used as gemstones or in making jewellery as well.

Detailed explanation-4: -While hematite can be found virtually everywhere in the world, large quantities of it are mined in places like China, Brazil, Venezuela, Australia and South Africa, as well as across the U.S. and Canada.