- a blue mineral, a hydrous copper carbonate, Cu3(CO3)2(OH)2: an ore of copper.
- a gem of moderate value cut from this mineral.
Origin of azurite
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Examples from the Web for azurite
He further draws attention to the occurrence of irregular knobs two to three lines in height which consist, in part, of azurite.The Preservation of Antiquities
Azurite, a blue mineral, a carbonate of copper, often occurring in crystals.
Copper carbonates are of wide occurrence in the mineral kingdom, and constitute the valuable ores malachite and azurite.
These are both varieties of copper carbonate with combined water, the azurite having less water.
Two more of the softer materials, malachite and azurite, remain to be described.
- an azure-blue mineral associated with copper deposits. It is a source of copper. Composition: copper carbonate. Formula: Cu 3 (CO 3) 2 (OH) 2 . Crystal structure: monoclinic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A dark-blue monoclinic mineral occurring as a mass of crystals (an aggregate) or in the form of blades with wedge-shaped tips. It is often found together with the mineral malachite in copper deposits. Azurite is used as a source of copper, as a gemstone, and as a dye for paints and fabrics. Chemical formula: Cu3(CO3)2(OH)2.
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