Thor Hammer Earstuds Mjolnir Viking Earrings by Alchemy Gothic. Thor's hammer Mjolnir earrings with Norse etchings. The intricate skills of the Norsemen jewel-smiths are invoked here with the precision, miniature Thor’s hammer. Polished pewter with surgical steel posts. Height: 14mm (0.55") Width: 12mm (0.47") Depth: 16mm (0.63"). Made of lead-free fine English pewter exclusively by Alchemy Gothic.