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Mineral Ors Can Be Divided Into Lean Ore Common Ore And Rich Ore

Notes of ch 5 minerals and energy resources class 10th ,feb 26, 2017 iron ore It is the basic mineral and the backbone of industrial development. magnetite is the finest iron ore with a very high content of iron up to percent. hematite ore is the most important industrial iron ore in terms of the quantity used, but has a slightly lower iron content than magnetite. india is

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