Petrified Palm Wood Stone Slab FossilThis natural rough rock Petrified Wood slab is 6.3 inches by 4.8 inches and 6 mm thick. It weighs .36 lbs. and is shown wet in the first 2 pictures.This is Petrified Palm Wood, Palmoxylon, from Indonesia.This semi precious gemstone is the fossilized wood of palm trees from the Oligocene Epoch, about 20 to 40 million years ago. The petrified wood formed when a tree died and was buried by sediments. Minerals in the groundwater then permeated the ...wood, replacing the original organic matter and turning it to stone. The stone contains prominent, rodlike structures within the regular grain of the silicified wood, which form the characteristic spotted look of palm wood. Depending on how the stone is cut, these structures show up as spots, tapering rods or lines. Petrified Palm Wood is very hard and takes an excellent polish, making it a great stone for jewelry.Metaphysical Properties: Petrified Palm Wood is said to remove petty annoyances and enhance one's connection to earth and nature.