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A white to dark green variety of jade, chiefly a metasilicate of iron, calcium, and magnesium.

[Greek nephros, kidney (from the belief that it cured kidney diseases) + -ite.]
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) a tough fibrous amphibole mineral: a variety of jade consisting of calcium magnesium silicate in monoclinic crystalline form. Formula: Ca2Mg5Si8O22(OH)2. Also called: kidney stone
[C18: via German Nephrit from Greek nephrós kidney, so called because it was thought to be beneficial in kidney disorders]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈnɛf raɪt)

a compact granular variety of actinolite, varying from whitish to dark green: a form of jade.
[1785–95; < German Nephrit]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.nephrite - an amphibole mineral consisting of calcium magnesium silicate in monoclinic crystalline form; a source of jade that is less valuable than from jadeite; once believed to cure kidney disorders
amphibole - a mineral or mineral variety belonging to the amphibole group
amphibole group - a group of minerals with similar crystal structures containing a silicate chain and combinations of chiefly sodium and calcium and magnesium and iron and aluminum
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Peitcher collection; and, in the midst of it all, the world's largest boulder of raw nephrite, a 5,000-kilogram (that's over 5 tons) "specimen," found in the summer of 2001 in British Columbia, with several areas polished to show its internal, uniformly deep and rich, greenness.
(6) Usually of a pale green or grey-green nephrite, they are worked to a high standard and are generally dated to the eighteenth century largely on stylistic grounds.
There were no surprises in the final field declared for the first classic of the Irish season yesterday, with notable defections, Aidan O'Brien's Nephrite and Crusader (Greenlands Stakes tomorrow) and the Dermot Weld-trained Speaking Of Which (Gallinule Stakes on Sunday) rerouted.
He got everyone talking following a debut Listed win last autumn and then wasn't disgraced behind Nephrite in a Leopardstown Group 3, where it transpired he had torn a muscle.
There was the Porter Rankin carved jade collection, a wonderful collection of nephrite carvings.
That's how Irish National Stud's Invincible Spirit signed off at the weekend when Requisition lowered the colours of Nephrite in the Listed Loughbrown Stakes at the Curragh.
Tom Neavitt, local lapidary artist, displayed a magnificent carved jade collection including a large nephrite jade bell that gave off a lovely tone when stuck.
Aidan O'Brien's other Guineas entries Nephrite and Crusade will target Saturday's Group 3 Greenlands Stakes instead.
3.50 Curragh Anne Brewster Memorial Loughbrown Stakes 7f Listed ATR Card page 40 NEPHRITE, unbeaten in two starts last season and a best-priced 20-1 for next month's Qipco 2,000 Guineas, prepares for a possible Classic bid in the Anne Brewster Memorial Loughbrown Stakes at the Curragh today.
Branham is credited with the discovery of American nephrite jade and he wrote the book, The Jade Beyond.
Significantly, Nephrite, a controversial third to gambled-on stable-companion Requisition in the recent Loughbrown Stakes at the Curragh, is one of three Ballydoyle colts left in the colts' classic, the Poule D'Essai Des Poulains, despite his trainer stating after his Curragh run: "Joseph is adamant that he's a sprinter".
The other potential star on the Curragh card is Nephrite, who beat Sea The Stars' half-brother Born To Sea at Leopardstown last season.