Grounding, Protection, Manifestation
* Associated with the Root Chakra
* Most powerful grounding & clearing stone
* Cleanses & clears the aura & energetic systems, grounding it for reprocessing by the Earth
* Used to counter the negative effects of radiation & electromagnetic fields 
* Regarded as the protective stone
* Absorbs an enormous amount of negativity
* Particularly good stones for protection in a psychic sense