Natural Petrified Wood (1" - 2") - 2pcs. New/ Unused. 1" to 2" piece of petrified wood. Two pieces per order. Petrified Wood is wood that has fossilized over hundreds of years Petrified wood is literally wood that has turned into stone. Many people like Petrified Wood for its ancient energies. It is used for grounding purposes and to help connect with the energies of the Earth.