Azurite
Azurite
A monoclinic mineral, 2[Cu3(OH)2(CO3)2]; forms vitreous azure crystals; a supergene mineral in oxidized parts of copper deposits associated with malachite; an ore of copper.; blue malachite.
A compact semiprecious stone derived from compact azurite and used as a decorator material.
A trade name for a sky-blue gem variety of smithsonite