Call 215 651 8329 www.huntingrelics.com We have places to hunt petrified wood and other rocks. Fossil plants are the fossilized remains of all parts of a plant. Petrified wood is a common term used for wood fossilized by silica, where the woody structure is visible. A free-use permit may be issued to amateur collectors and scientists to take limited quantities of petrified wood for personal use. A permit is required for commercial sales** of petrified wood. Invertebrate fossils are ...