Smokey Quartz correspondes to the Root Chakra. In the psychic and spiritual worlds, Smokey Quartz helps center yourself during meditation and supplies a link in between the physical and higher self. Thus, helping to reveal subconscious knowledge, and likewise stimulating kundalini.
Smokey quartz is a grounding and protecting stone. It brings physical and psychic security. It is an outstanding rock for defense from negative energy, as it takes out negativity and replaces it with positive light.