The naturally occurring form of a metal that is concentrated enough to allow economical recovery of the metal is known as

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An ore is a naturally occurring mineral or rock that contains a sufficiently high concentration of a desired metal, such that it can be economically extracted or mined. Gangue is the non-valuable material that surrounds the ore, while an element is a substance made up of only one type of atom and cannot be economically extracted in its pure form. Amalgam refers to a mixture of a metal with mercury.

The Naturally Occurring Form of a Metal That Is Concentrated