The August birthstone, peridot, dates back to the Crusades when the soldiers introduced the stone to Europe. Since then it is known to represent purity, beauty, and lightness. If you or a loved one is in need of protection, money, and healing, peridot exudes these energies. It is believed that one will feel the soothing effect of peridot if worn on a necklace close to the neck, and also acts as a protector against negative emotions. The green stone is said to have the power to heal the wearers gall bladder and liver as well.