Unlike most gemstones that are found with in the Earth, pearls have an organic origin. They are created inside the shells of certain species of oysters and clams. Pearls possess a uniquely delicate translucence and lustre that place them among the most highly valued of gemstones. Historically, pearls have been used as an adornment for centuries. Pearls are useful in maintaining the stability of our minds. One can have good relations, and wearing pearls increases self-confidence. Pearls also help in controlling blood pressure and bladder diseases.