Four radioisotopes commonly used radiometric dating

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Ionized manganese is used industrially as pigments of various colors, which depend on the oxidation state of the ions.The permanganates of alkali and alkaline earth metals are powerful oxidizers.

In biology, manganese(II) ions function as cofactors for a large variety of enzymes with many functions.

The female magnes ore did not attract iron, but was used to decolorize glass.

This feminine magnes was later called magnesia, known now in modern times as pyrolusite or manganese dioxide.

Johan Gottlieb Gahn was the first to isolate an impure sample of manganese metal in 1774, which he did by reducing the dioxide with carbon.

Manganese phosphating is used for rust and corrosion prevention on steel.

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