Shop for Red Agate 6 Faceted With Silver Chain Pendulums. The red agates protect the primary chakra of our human body, which usually called the root chakra. Red Agates Promotes Safety, grounding, and vitality. Also, influence the other points of energy within the body. Heart Chakra: Heals the illness of love, heartbroken and grudge that prevents lasting relationships. A pendulum is an object hung from a fixed point that swings back and forth under the action of gravity.