Natural pearls come in many shapes, however perfectly round ones are very rare. They are made up of calcium carbonate and conchiolin. Pearls have long been a symbol of beauty and purity. Pearls are formed when irritants find its way into the shell of a mollusk.
Unlike, other gemstones that are being mined or spotted on rocks. The pearl gemstone is created inside the deep-sea in oyster or mollusk. The natural pearl gemstone which is being produced in the sea without the human interventions is supposed to be called “wild pearl stone” or natural pearl gemstone.