Stone in that spoon pendant is rhodochrosite and the berries in two copper/brass pendants are actually rivets made from silver wires. [link]
Bronze part in that Thor's hammer was actually cast over ten years ago, when I was only a student, but that original dot pattern was quite boring so I never used it. [link] Now I only removed the original pattern with Dremel tool and dentist drill bits and made new better looking details from 1 mm thick silver plate and attached them for that space with silver solder.
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