Amethyst agate is said to bring you peace and a sense of calmness wherever you may be. It's presumed to ease tension, help self-assurance, and improve thinking skills. Amethyst Agate is a crystal known for being associated with intuition, divinity, and peaceful dreams. Amethyst Agate is helpful when working with your Third Eye and Crown Chakras because of it's ability to balance your energy and open up that Spiritual connection.