azurite(redirected from Lapis armenius)
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An azure blue vitreous mineral of basic copper carbonate, Cu3(CO3)2(OH)2, used as a copper ore and as a gemstone.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Minerals) an azure-blue mineral associated with copper deposits. It is a source of copper. Composition: copper carbonate. Formula: Cu3(CO3)2(OH)2. Crystal structure: monoclinic
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. a blue mineral, a hydrous copper carbonate, Cu3(CO3)2(OH)2, an ore of copper.
2. a gem of moderate value cut from this mineral.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A dark-blue copper carbonate mineral having a glassy luster and occurring in various forms. It is often found together with malachite. Azurite is used as a source of copper, as a gemstone, and as a dye.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.