aventurine vs sunstone

aventurine and sunstone both are nouns.

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

As nouns, aventurine and sunstone are synonyms defined as:

aventurine and sunstone: a translucent quartz spangled with bits of mica or other minerals

aventurine (noun)	sunstone (noun)
a translucent quartz spangled with bits of mica or other minerals	a translucent quartz spangled with bits of mica or other minerals