Blue stone necklace with heart pendant

blue stone necklace with heart pendant and toggle clasp. the blue stones have some sparkle from gold flecks. the heart pendant looks like it's made of copper and has a hammered pattern. quarter used for scale. not sure if semi precious stone or faux. not sure if copper or just a metal that looks like copper. the necklace has a nice solid weight to it. it's light weight as if just plastic.