Agate can cleanse and stabilize the aura by removing and/or transforming negative energy. As far as relationships go, agate is a stone of marital and romantic fidelity. Agate can strengthen the body and the body's connection to the earth. It also increases energy. Agate enhances healing of all kinds by bringing the elements of the healing into harmony.
Red Agate (energy: projective, element: fire) Also known by many as the "Blood Agate" this stone was worn in ancient Rome to guard against insect bites and to heal the blood, as well as to promote calm and peace. It is also said to drive away spiders.
Brown or Tawny Agate (energy projective, element: fire) Long ago worn by warriors for victory in battle, today is used for success in any undertaking. Prized in Italy and Persia as a guard against the evil eye. Also a fine wealth talisman.