Color: Petrified Wood can vary in color based on the minerals present during the process.  It can range from black (carbon and magnesium oxide), green to blue (cobalt, chrome oxide, copper), yellow, red, and brown (iron oxide), pink and orange (magnesium), yellow (magnesium oxide), or white (silica of aluminum).

Texture: 

Luster:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

Petrified Wood is found primarily in the western and northern North America, but may be found throughout North America.