Very Large, Polished Petrified Wood Round. This round is from the old Spurlock Ranch site, north of St. Only about 3% of the petrified wood, out of the Chinle rocks, is Schilderia. Largest Width: Approximately 19 5/8 inches. Largest Height: Approximately 13 inches. Thickness: Approximately 7/8 inch. Weight: Approximately 16 to 17 lbs. The item […]