This item is an Orthoceras fossil pendant, a polished piece of an ancient, squid-like cephalopod from the Ordovician Period. Ancient History: The fossil is approximately 400 million years old. Origin: These fossils are typically sourced from the limestone deposits in Morocco. Appearance: "Orthoceras" translates to "straight horn," describing the long, conical shape of their chambered shells. Jewelry: This specimen has been polished and set in a pendant, making it a unique collectible piece.