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Azurite or Azure spar [5]: 14 is a soft, deep-blue copper mineral produced by weathering of copper ore deposits. During the early 19th century, it was also known as chessylite, after the type locality at Chessy-les-Mines near Lyon, France. [3]
Azurite is a naturally occurring mineral found particularly in copper-mining areas of the world. [4] It is often found with malachite, a green basic carbonate of copper. There is evidence that azurite has been used since the dawn of modern civilization, dating back to the Fourth Dynasty in Egypt. [1]
Copper Queen Mine Tour, Sept 2008 Classic Bisbee Azurite and Malachite specimen from the Copper Queen mine. This specimen was in the personal collection of Dr. James Douglas, and was later donated to the Smithsonian by his son. [1] The Copper Queen Mine was a copper mine in Cochise County, Arizona, United States.
The modern English name of the mineral reflects this association, since both azurite and azure are derived via Arabic from the Persian lazhward (لاژورد), an area known for its deposits of another deep-blue stone, lapis. Azurite was often used in the Renaissance and later as a less expensive substitute for ultramarine. Lower layers would ...
Azurite has a dark, rich blue color - its formula, Cu3(CO3)2(OH)2, is very close to malachite. The blue color of azurite is from Cu+, while the green color of malachite is from Cu+2. Azurite & malachite almost invariably occur together, and are telling indicators of copper in the field, even in very small quantities.
In a recent Newsweek article, Alex Beene, a financial literacy instructor at the University of Tennessee at Martin, said, “Many in the real estate business are elated with a Trump victory, and ...
The Moab Man (also called "Malachite man") is a find of several human skeletons found after bulldozing in a mine whose rock dated to the Early Cretaceous period, about 140 million years ago. The original discovery of two individuals was made in 1971 by Lin Ottinger in the Keystone Azurite Mine near Moab , Utah , and has been used by ...
Featuring Lisa Kudrow and Ray Romano, Netflix's new dark comedy "No Good Deed" is "about the highs and lows of searching for a safe, happy home."