Petrified Palmwood

Texas State Stone


Polished petrified palmwood

Polished petrified palmwood (actual size 13 - 29 mm) from Amy O'Connell's Petrified Palmwood (all rights reserved; used by permission). 

Petrified Palmwood

Texas designated petrified palmwood as the official state "stone" in 1969 (petrified wood is actually a fossil, not a stone).

What is now arid Texas was a lush tropical forest 100 million years ago. Trees that fell into mineral-rich mud before having a chance to decay became petrified wood, which is actually a quartz-like stone. The organic wood cells were replaced over time by minerals, often retaining the detailed shape of the original prehistoric wood. Petrified wood is called the most beautiful of fossils.

The spotted look of palmwood is caused by fossilized rod-like structures within the original wood. Depending upon the angle the stone is cut, they show up as spots, tapering rods, or lines. Petrified palm wood is very hard and takes a wonderful polish, making beautiful jewelry. Petrified wood is also the state gem of Washington, and the state fossil of North Dakota and Louisiana.



Unpolished petrified palmwood; photo © Bernardine's Petrified Palmwood Facts (all rights reserved; used by permission).

Unpolished petrified palmwood


Petrified Wood in the San Jacinto River, Conroe, Texas