Links us to higher realm of being. Smoky quartz crystal is a powerful grounding and balancing stone. Physically this crystal has is a dark quartz or has wisps of brown. However, it is pure white light and links us to higher realms of being. Smoky quartz is one of the most powerful crystals to use in crystal healing to activate or purify the root chakra. When it comes to reaching a higher state of consciousness, use Smoky quartz as it releases negative emotions such as jealousy, fear and anger.