Natural Iron Pyrite mineral exhibiting excellent colour and a natural sheen, this specimen has not been polished or effected in any way and is as found and excavated from the sole specimen producing mine in Iberia. The Pyrite cube showcases a good metallic lustre, similar to gold. A mirror like finish is often naturally created, such Auriferous Pyrite is a valuable ore of gold and often is an indicator to a gold source in the local enviroment. Pyrite naturally crystallises in cube form and can date back to the Mesozoic era, late Jurassic, approximately 120 million years.
Originating within the sediments of large delta's which covered the Cameros Sierra, found near the Navajun mines. Although Iron Pyrites are relatively abundant in nature and particularly in the fossilisation process of many specimen, the quality of pyrites from Navajun can only be found in the Iberian peninsula mines. Many specimens from this location grace prestigious museum mineral and collections and are exhibited in the Smithsonian Institute Museum in Washington, Houston, the Mineral museum of Paris and many more. This particular Navajun mine opened up in the 1960's and was the only Pyrite mine in the world producing specimen cubic Iron Pyrites exclusively for collectors around the world.