sunstone vs aventurine

sunstone and aventurine both are nouns.

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

As nouns, sunstone and aventurine are synonyms defined as:

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

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