| http://www.w3.org/ns/prov#value | - Its compounds are widely used in construction and medicine, and magnesium is one of the elements essential to all cellular life.Occurrence, properties, and usesKnown originally through compounds such as Epsom salts (the sulfate), magnesia or magnesia alba (the oxide), and magnesia alba magnesite (the carbonate), the silvery white element itself does not occur free in nature.
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