An extra large oval shaped semi precious gemstone Petrified Wood from Arizona designer cabochon 93 mm (3.7 inches!) by 41 mm and 5 mm thick.
Beautiful red and gray semi precious gemstone known as Rainbow Petrified Wood.
This is actually a psuedomorph-chalcedony gemstone replacing the wood. Therefore Petrified Wood is actually a member of the chalcedony family with a hardness of 6.5 to 7.
Metaphysical Properties: Petrified Wood is called the stone of patience.