Malachite \Mal"a*chite\, n. [Fr. Gr. ? a mallow, from its resembling the green color of the leaf of mallows: cf. F. malachite. Cf. Mallow.]

(Min.) Native hydrous carbonate of copper, usually occurring in green mammillary masses with concentric fibrous structure.

Note: Green malachite, or malachite proper, admits of a high polish, and is sometimes used for ornamental work. Blue malachite, or azurite, is a related species of a deep blue color.

Malachite green. See Emerald green, under Green, n.

Source: Webster's Revised Unabridged Dictionary (1913)