Pearls are a combination of luster, color, size, lack of surface flaw and symmetry. These pearls are widely used in inexpensive jewelry. Pearls are used for necklaces, bracelets and as embellishments. All pearls in string are uneven from the others. They are attractive, luster and look beautiful. A variety of products such as MOP buttons, MOP stones, MOP beads are created using the same basic material. Mother of pearl buttons is used in clothing either for functional or decorative purposes.