Vintage unique necklace blue gems

I’ve seen a few of these listed as silver and pewter but there are no markings to indicate which metal for certain. Definitely a fun vintage piece! Unique curled wiring! Good condition! Modcloth vintage rainbow flowers Hawaiian 60s 70s 80s mini farm rio harajuku hipster maximalist handmade fashion nooworks dusen dusen Rachel antonoff collectif Retrolicious hell bunny princess highway rare htf euc Francis valentine mod Kate spade free people madewell jcrew urban outfitters Anthropologie Swedish Hasbeens