Belemnite - Fossil yooperlites known for their fibrous or

known for their fibrous or bladed crystal habits and rich chemical makeup primarily composed of calcium

Era: Upper Ordovician

GeoWorld Group

well-defined aquamarine crystal set prominently across a feldspar-rich matrix

often hand-mined in remote jungle terrain

Belemnite - Fossil yooperlites known for their fibrous orMined from: Buttenheim Clay Pit, Franconia (Bavaria), Germany Era: Jurassic Period (Lower Jurassic, Toarcian Stage) Geological Age: Approximately 180190 million years old Description: Belemnites are the fossilized internal guards of extinct squid like cephalopods that lived in ancient seas during the Jurassic. Specimens from the Buttenheim Clay Pit in Franconia are particularly well known for their preservation within fine grained marine sediments,