amphibole vs nephrite

amphibole and nephrite both are nouns.

Word	Noun	Adjective	Verb	Adverb
amphibole	Yes	No	No	No
nephrite	Yes	No	No	No

As nouns, nephrite is a hyponym of amphibole; that is, nephrite is a word with a more specific, narrower meaning than amphibole:

amphibole: a mineral or mineral variety belonging to the amphibole group
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

Other hyponyms of amphibole include actinolite, anthophyllite, asbestos, hornblende.

amphibole (noun)	nephrite (noun)
a mineral or mineral variety belonging to the amphibole group	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