Secondly, it should be rounded and polished, because inside a dinosaur's gizzard any genuine gastrolith would have been acted upon by other stones and fibrous materials in a process similar to the action of a rock tumbler.
En segundo lugar, deberían estar arredondadas e pulidas, porque dentro da moella dun dinosauro cada auténtico gastrólito debería rozar contra outras pedras e os materiais fibrosos nun proceso similar á acción dun pulidor de pedras.