7.4" Polished Petrified Wood (Arucaria) Limb - Amarillo, Texas

This is a large, 7.4" long polished, limb of Upper Triassic petrified wood from a rather unusual location. It was collected from the Dockum Formation, south of Amarillo Texas. One end has been polished and the polished face is 6.4x5.9" This comes from a large collection of petrified wood I recently bought which includes some rare types from unusual locations.