9 piece lot of Jewelry 925, 950, mexico, + pt markings $75

9 pieces of Jewelry lot. Some are marked 925, 950, mexico, Italy + or additionally pt markings on them. Cross necklace. These Maybe sterling silver and or platinum pieces? There are 3 bracelets 4 necklaces and 2 pairs of earrings one I was told is malachite the other are purple amethyst and I'm not sure what the black stones are this is just my best guess. Sold as a package deal $75 cash only for everything you see. located in Halifax Ma 02338.