Genuine Black & White Orthoceras Fossil Lariat Cord Necklace, Natural Gemstone

Genuine Black & White Orthoceras Fossil Lariat Cord Necklace, Natural Gemstone Orthoceras is an extinct marine cephalopod that lived approximately 400 to 450 million years ago during the Ordovician period. Found in various regions worldwide, Orthoceras Fossils are characterized by their long, straight shells resembling tapered cones. These ancient creatures possessed tentacles and a chambered shell, leaving behind a remarkable fossil record that offers insights into Earth's prehistoric oceans. 35 mm x 15 mm orthoceras fossil bead (I have several of this, you will get what you see in the pictures; or feel free to contact me to choose your own !) The length is about 18", lobster claw clasp + extension chain ***Feel free to contact me to personalize the length, you can measure one of your own necklaces to have an idea of the length you like.