Picture Agate comes in reds, browns, yellows, oranges, and blacks, sometimes with banding, stripes or zoning. Agate is good protective stone, especially for children. It also can help strengthen the body and the body's connection to the earth. It can also lessen feelings of envy by grounding the emotions. Agate balances the physical, emotional and intellectual bodies, and balances and cleanses aura. Agate is known to stimulate analytical abilities and perception, while eliminating negativity. It has also been reported to strengthen sight and promote marital fidelity.