Agate is a good protective energy stone, especially for children, and very calming and soothing. It is also said to help strengthen the body's connection to the earth. It is reported to mystically give courage, energy, strength, and dispels fears, all of which increase self-confidence. It is said to lessen feelings of envy by grounding the emotions. Agate is also used in crystal emotional healing for resolving bitterness and resentments. It is also called and believed to be a stone of harmony.