Huge, Polished, Multi-Colored Arizona Petrified Wood Round-End Cut. This round is from the Rainbow Beds, near the Petrified Forest, in the vicinity of Holbrook, Arizona. Largest Width: Approximately 22 5/8 inches. Largest Height: Approximately 16 7/8 inches. Thickness: This is an end cut, so the thickness varies. The thickest is about 1 3/4 inches; the […]