One copper electroformed ammonite fossil on a 20" soldered copper or gunmetal chain. Ammonites lived during the periods of earth history known as the Jurassic and cretaceous. Together, these represent a time interval of about 140 million years. Ammonites were marine animals that had a coiled external shell similar to that of the modern nautilus.
Size, shape, and color may vary as no two fossils are alike.