XL 7" Fossilized Rainbow Petrified Wood Branch Arizona 66-150 Mil Yrs Old

Location: Chinle Formation, Arizona

Weight: 3 Pounds 14.7 Ounces

Dimensions: 7 Inches Long, 4.8 Inches Wide, 2.1 Inches Thick

The item pictured is the one you will receive. 

66-150 million years old Cretaceous and Quaternary periods

This exquisite specimen is a polished decorative piece, revealing a smooth, lustrous surface and a mesmerizing interplay of colors caused by mineral replacement during fossilization. Originating from forests that thrived around volcanic regions of North America during the late Tertiary period, the trees were rapidly buried by volcanic ash and lava. This sudden entombment halted microbial decay, allowing the wood to undergo a remarkable process of preservation.

Over millions of years, the organic material was replaced by silica-rich minerals such as chalcedony, quartz, calcite, opal, and jasper. Trace elements within these minerals produced the vivid coloration: manganese yields deep blue and black tones, while iron contributes warm browns, oranges, and reds. The polished piece serves not only as a beautiful decorative object but also as a window into the geological and botanical history of ancient volcanic landscapes.