Pearl bodycolor by the types of the mollusk it is formed in. Although while pearls are the most traditional, other colors are very popular. The main bodycolor of a pearl is often modified by additional colors called overtones, which are typically pink, green, purpale or blue.
Calcium Carbonate
2.5 to 3
Good
Australia, China, French Polynesia, Gulf of Mannar, Indonesia, Japan, Panama, Persian Gulf, Philippines, United States, Venezuela.