Fossil Wood Sphere from Madagascar. This fantastic Fossil Wood Sphere is 9.9cm diameter it displays beautiful rich colours. Fossil Wood or Petrified Wood is wood that has been replaced over millions of years by Quartz and Chalcedony minerals. The reds displayed in this Sphere are from Jasper. The fossilised wood is Araucaria or Monkey Puzzle tree and it is Triassic 248 million years old.
