The oysters are nucleated with a bead composed of mother-of-pearl and a small piece of mantle tissue. This bead becomes the nucleus of the pearl and is the reason akoya pearls are more often perfectly round.
Carbon definition, Chemistry. a widely distributed element that forms organic compounds in combination with hydrogen, oxygen, etc., and that occurs in a pure state as diamond and graphite, and in an impure state as charcoal.
âLando Calrissian, to Han Solo. Carbon-freezing was the process by which liquid carbonite was flash-frozen into a solid state, encasing materials for transport in a strong metal alloy. Such materials could even include sentient beings. During the Galactic Civil War, Han Solo was frozen in carbonite on Cloud City.