Ammonite Fossil and Gem Bone Agatized Dinosaur Bone Sterling Silver Earrings

Ammonite Fossil & Agatized Dinosaur Bone Sterling Silver Earrings This pair of earring was created with small ammonite fossils on top and small pieces of  Agatized Dinosaur Bone on the bottom. Often called Gembone. The ear wires are sterling silver. Handmade by Marie Clough, one of the owners of Homegrown Creativity LENGTH: 2.25" including ear wire length. METAL: All Sterling Silver Gembone  What is Gembone? It is a mineralized dinosaur bone, which occurs when minerals from groundwater are deposited within the bones. It is one of five gemstones created from organisms (the others being pearl, ammolite, amber and jet). Ammonite Fossils  Ammonite fossils are 66-450 million years old, they were a shelled cephalopod. Most died out at the end of the Cretaceous Period when an asteroid collided with Earth. Ammonites come in all sizes, as tiny as a pinky nail and larger than a human. Ammonite fossils are formed when the remains or traces of the animal became buried in sediment