Petrified Wood Blue Opalized Wood Stone Indonesian Mineral Specimen Fossil Wood. THIS BLUE OPAL PETRIFIED WOOD. 6.5 x 4 x 1.5 inches, and weighs. 90 pounds or 401 grams. Pictures show wet and dry. This stunning opal petrified wood has beautiful colors of vibrant blue, copper yellow, orange, green, navy, white, brown, and slate gray […]