spodumene vs kunzite

spodumene and kunzite both are nouns.

Word	Noun	Adjective	Verb	Adverb
spodumene	Yes	No	No	No
kunzite	Yes	No	No	No

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

spodumene: a pyroxene mineral consisting of lithium aluminum silicate; a source of lithium
kunzite: a pinkish lilac crystal form of the mineral spodumene that is used as a gemstone

Other hyponyms of spodumene include hiddenite.

spodumene (noun)	kunzite (noun)
a pyroxene mineral consisting of lithium aluminum silicate; a source of lithium	a pinkish lilac crystal form of the mineral spodumene that is used as a gemstone