The Petrified Wood Collection (605) Included in this collection of polished petrified wood are generously sized pieces (2-3 inches) from Oregon, Utah, Washington, Montana and this piece pictured here from Arizona. This is a beautiful selection that would make an attractive desk paperweight. It measures 5 inches x 3.5 inches x 1.25 inches thick and weighs in at about 1.5 pounds; meticulously polished to a brilliant shine. The collection sells for $30.00