Tourmaline associated with the root chakra.
Positively and negatively charged on opposite ends when heated black tourmaline is used to balance extremes and dispels negative energy. It gets its rich black colour from the amount of iron it contains and has strong links to the earth magnetic field.It deflects potential harm and is used for calming nervous tensions. It is said to aid in balancing both brain hemispheres, this enabling the user to transcend the mundane and achieving unity with cosmos.
2.5 inches (approx)