aventurine vs goldstone

aventurine and goldstone both are nouns.

Word	Noun	Adjective	Verb	Adverb
aventurine	Yes	No	No	No
goldstone	Yes	No	No	No

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

aventurine: a translucent quartz spangled with bits of mica or other minerals
goldstone: aventurine spangled densely with fine gold-colored particles

aventurine (noun)	goldstone (noun)
a translucent quartz spangled with bits of mica or other minerals	aventurine spangled densely with fine gold-colored particles