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Mineral, in biology, inorganic element vital to human health. Minerals are usually obtained from food. The essential ones are calcium, chlorine, cobalt, copper fluorine, iodine, iron, magnesium, manganese, phosphorus, potassium, sodium, sulphur, and zinc. Other minerals, known as trace elements, are present in the body in minute quantities and are presumed to be necessary for health: aluminum, boron, bromine, chromium, molybdenum nickel, silicon, and silver.

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