Peridot History, Mining, Healing Properties, Uses, Benefits, and Zodiac Association In addition to its rich history & physical properties, Peridot Benefits also possesses numerous healing properties as it is said to help boost the immune system and metabolism, improve digestion, and increase the body’s ability to detoxify the liver. Wearing a peridot pendant also helps to regenerate cells and tissues by bringing strength to the adrenal system. It is also said to help people sleep peacefully, especially if they have nightmares or night terrors.