Malachite n. : Native hydrous carbonate of copper, usually occurring in green mammillary masses with concentric fibrous structure.

Example:
Is Malachite green the same as victoria green in fish medications?

Taxonomy
Malachite, mineral, free encyclopedia, crystals, azurite, carbonate mineral, quantities, copper carbonate, pigment, the Democratic, CO3, botryoidal, history, Mineral Gemstones, search, Zaire, Bright green, prismatic.

Defination from the web:
malachite have been mined in the Urals. ... In Israel, malachite is extensively mined at Timna valley, often called King Solomon's Mines, although research has revealed an interruption in ...