Hello. Could anyone help me identify if these are real Turquoise? I don't see any markings but i haven't tested them yet. They look like real sterling but i could be wrong

The turquoise looks to me like composite, either real turquoise or other turquoise colored material ground to dust and reconstituted with epoxy.


I had a composite bracelet before and it looked way different. Is there anyway i can test it to see if its real?