LAVA ROCK | also known as Basalt is the oldest stone in world. Formed when a volcano erupts, lava rock has been know to have a very powerful spirtual effect on the body and mind. Because of its stong connection with the earth, lava stone is believed to ground and stabalize the root chakra. When the chakra is stabilized we are grounded with the earth and the body and mind are cleansed of negative energy. Lava rock has been known to be effective in treating anxiety, depression and sleeping disorders.  In addition, lava stones are naturally quite porous, meaning they have lots of tiny holes inside them. The porous nature of the stones makes them perfect portable diffusers for whatever essential oil you prefer to use.