kunzite vs spodumene

kunzite and spodumene both are nouns.

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

As nouns, spodumene is a hypernym of kunzite; that is, spodumene is a word with a broader meaning than kunzite:

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

Other hypernyms of kunzite include transparent gem.

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