azurite
noun
azur·ite ˈa-zhə-ˌrīt 
1
: a mineral that consists of blue basic carbonate of copper and is a minor copper ore
2
: a semiprecious stone derived from azurite
Example Sentences
Recent Examples on the Web Co-founded by Bill Wirtel in 1978, the studio specializes in stone-inlaid knives: The Apache gold, azurite, and turquoise are sourced in Arizona and the petrified brontosaurus bone in Utah. 
Ashlea Halpern, Condé Nast Traveler, 9 Sep. 2019 Gemologist Filip Klein, decked out in a three-piece suit and long braid, showed me mineral formations in a big display case, including a $600 azurite, a gigantic $45,000 amethyst and a spectacular $500,000 tourmaline. Anne Kadet, WSJ, 19 Dec. 2017 The turquoise, malachite, azurite, and chrysocolla from there are so beautiful that my eyes just melt. Sarah Bray, Town & Country, 17 Aug. 2017
Ashlea Halpern, Condé Nast Traveler, 9 Sep. 2019 Gemologist Filip Klein, decked out in a three-piece suit and long braid, showed me mineral formations in a big display case, including a $600 azurite, a gigantic $45,000 amethyst and a spectacular $500,000 tourmaline. Anne Kadet, WSJ, 19 Dec. 2017 The turquoise, malachite, azurite, and chrysocolla from there are so beautiful that my eyes just melt. Sarah Bray, Town & Country, 17 Aug. 2017 Word History
Etymology
French, from azur azure
First Known Use
1842, in the meaning defined at sense 1