cultured pearl oysters

Pearls are one type of jewelry that is obtained from animals found in the sea, namely shells. Pearl prices on the market are very expensive. Therefore, today many people are trying to develop pearl shell farming. Pearls are produced by shells and are stored between two hard shells that act as protectors for these animals. The very hard shell is formed from lime substances from the outer epithel. The shape of the shell is asymmetrical and has a pattern of lines.