Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
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.]
(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]
a compact granular variety of actinolite, varying from whitish to dark green: a form of jade.
[1785–95; < German Nephrit]
Switch to new thesaurus
|Noun||1.||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