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nephrite

American  
[nef-rahyt] / ˈnɛf raɪt /

noun

  1. Mineralogy. a compact or fibrous variety of actinolite, varying from whitish to dark green: a form of jade.


nephrite British  
/ ˈnɛfraɪt /

noun

  1. Also called: kidney stone. a tough fibrous amphibole mineral: a variety of jade consisting of calcium magnesium silicate in monoclinic crystalline form. Formula: Ca 2 Mg 5 Si 8 O 22 (OH) 2

"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

nephrite Scientific  
/ nĕf′rīt′ /
  1. A green to blue variety of jade. Nephrite is an amphibole and is the least precious form of jade. Chemical formula: Ca 2 (Mg,Fe) 5 Si 8 O 22 (OH) 2 .


Etymology

Origin of nephrite

From the German word Nephrit, dating back to 1785–95. See nephr-, -ite 1


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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The bad news for the Richmond museum: Most of Mrs. Pratt’s two dozen flowers made of semiprecious stones like nephrite and bowenite are Fauxbergé.

From New York Times ● Jun. 30, 2011

And it may in fact be any one of three very hard minerals: nephrite, jadeite and chloromelanite.

From Time Magazine Archive

In Asia implements of nephrite are found both on the Chukch Peninsula and in old graves from the Stone Age in the southern part of the country.

From The Voyage of the Vega round Asia and Europe, Volume I and Volume II by Alexander Leslie

Most of the jade of the variety nephrite that is obtained to-day comes from several of the provinces of China or from Siberia or from Turkestan.

From A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public by Frank Bertram Wade

Rock of many kinds, including serpentine, schist, felsite, jadeite, diorite, and nephrite, were used; and saws of flint or chalcedony, some toothed on one side only, others on both, are of frequent occurrence.

From Manners and Monuments of Prehistoric Peoples by N. D'Anvers

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