These unusual donuts was cut from the fossilized bones of large dinosaurs. The fossils were found in southern Utah (USA) and are about 145 million years old.
Due to some great finds of fossilized dinosaur bones in recent years, it is now possible to wear an exciting piece of earth history made from dinosaur bones ("Dino Bone") as a gemstone.
Size of the dinodonuts about 4.5 - 4.9cm