EXAMPLES | WORD ORIGIN noun a blue mineral, a hydrous copper carbonate, Cu 3(CO 3) 2(OH) 2: an ore of copper. a gem of moderate value cut from this mineral. Origin of azurite
First recorded in
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for azurite Historical Examples of azurite
He further draws attention to the occurrence of irregular knobs two to three lines in height which consist, in part, of
azurite. 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
Two more of the softer materials, malachite and
azurite, remain to be described.
These are both varieties of copper carbonate with combined water, the
azurite having less water. British Dictionary definitions for azurite noun 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
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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: Cu 3(CO 3) 2(OH) 2.
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