From Latin molochitis, from Ancient Greek μαλαχή (malakhḗ, “[leaf of the ... ] mallow plant”). Or, (Can this(+) etymology be sourced?) could be from Hebrew מלאך (mal'ach) [ "angel" or "messenger of God" ], or, perhaps hailing from another Ancient Greek term, μαλαχ- [ "fingers" ].
malachite (plural malachites)
- (mineralogy) A bright green mineral, a basic copper carbonate, Cu2CO3(OH)2; one of the principal ores of copper.
2012 March 1, Lee A. Groat, “Gemstones”, American Scientist, volume 100, number 2, page 128:
- Although there are dozens of different types of gems, among the best known and most important are […] . (Common gem materials not addressed in this article include amber, amethyst, chalcedony, garnet, lazurite, malachite, opals, peridot, rhodonite, spinel, tourmaline, turquoise and zircon.)
- A mild green colour, like that of the mineral.
- From olive-taupe to that of a mild to deeply-rich -- at times seemingly translucent -- green colour, like that of the mineral which is present on oxidized copper.
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malachite f (plural malachites)