Pink opal and amethyst or rhodolite accent 925 pendant

Pink opal and amethyst or rhodolite accent. pink opal stone at least I'm pretty sure that's what it is with purple amethyst/rhodolite flower/butterfly accent surrounded by black spinel or onyx prong set stones. Sterling silver marked and tested. Designed signed sts. 20" chain and the pendant is about 1.25 in length 1/2" at widest point. New without tags, a stunner!