Arizona Rainbow Petrified Wood

6" (15.2 cm) x 4.1" (1.4 cm) x 1.7" (4.7 cm) Wide polished piece of petrified wood from Navajo County, Arizona. Arizona Rainbow Wood is world famous because of it wide varieties of colors. This petrified wood come from just outside Petrified Forest National Park. From the Chinle Formation about 225 million years old.  
The species of tree this wood came is likely Araucarioxylon arizonicum.