Petrified wood is a fossil. It forms when plant material is buried by sediment and protected from decay due to oxygen and organisms. ... The result is a fossil of the original woody material that often exhibits preserved details of the bark, wood, and cellular structures.
Petrified Wood is excellent for working with earth and wood energies because this stone merged together in this same natural formation. This stone works with the root and third eye chakra to give you healing energies for your physical and emotional problems.