azurite (z as zh)

[Eng. azur; and suff. -ite.] 1. (In Ger. lazulit, lazulith.) A mineral, called also Lazulite (q.v.). 2. (In Ger. lazurit .) A brittle, transparent or sub translucent mineral with monoclinic crystals. The hardne is 35-4-25; the sp. gr., 3.5-8-831; the lustre vitreous or verging on adamantine; the colour azure-blue, pa ing into Berlin blue. Compos. Carbonic acid, 24 to 25:46; oxide of copper, 685 to 70; and water, 5.46 to 6. It occurs in England, in Cornwall, Devons hire, Derby shire, .; as also in France, Austro-Hungary, and Siberia. ( Dana . )