This is a rare and beautiful round polished rainbow agate with petrified wood. Discovered near Holbrook, Arizona, and cut into a 5 kg slab. The petrified wood has been transformed into agate through a natural process, resulting in a beautiful piece with enchanting colours and patterns that are unique to the wood fossils from the Petrified Forest area in Arizona. UV light reveals a completely different colour pattern with the different minerals in this specimen.