HOW ARE MAJOR METALLIC MINERALS LIKE TIN, COPPER, ZINC AND LEAD,ETC., ARE OBTAINED?
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They are generally found in igneous rocks that are formed by cooling and solidification of lava or magma. Generally, metallic minerals are hard and have a shiny surface, so some of them can be used as gems in jewelry. ... In the total production of metallic minerals, 75% is constituted by ferrous metallic minerals.
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