(Colour and size may vary.) It one of the most efficient grounding and anchoring stones and at the same time raises vibrations. Superb antidote to stress. It is excellent for treating radiation-related illness or chemotherapy. Relieves fear, lifts depression and brings emotional calmness. Aids in acceptance of physical body and the sexual nature. Cleanses base chakra so that passion can flow naturally. Alleviates nightmares. Gently neutralizes negative vibrations, geopathic stress, absorbs electromagnetic smog, and assists in elimination and detoxification. Point toward body to energize and away to draw off negative energies.