- a brilliantly blue or violet, monoclinic mineral, Cu(CO)(OH), an ore of copper
- a semiprecious gem made from this mineral
azur(e) + -ite
See azurite in American Heritage Dictionary 4
An azure blue vitreous mineral of basic copper carbonate, Cu3(CO3)2(OH)2, used as a copper ore and as a gemstone. Also called chessylite.
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