Iron Thor's hammer pendant. The hammer Mjölnir is the most well-known attribute of the god Thor. Finds of Thor’s hammer are common, showing that he was one of the most revered of the Viking Age gods. Many are miniature pendants attached to rings, often together with other types of pendant, sometimes on their own. Other examples are manufactured in other materials or precious metals. Settlement find, Svarta Jorden, Birka, Adelsö Parish, Uppland.