Black Tourmaline

Black Tourmaline, a member of the Tourmaline family, is a protective stone that repels and blocks negative energies and psychic attacks. Black Tourmaline also aids in the removal of negative energies within a person or space. Black Tourmaline will cleanse, purify, and transform dense energy into a lighter vibration.
Use Black Tourmaline to protect against electromagnetic "smog" (i.e. cell phones, computers, etc), radiation, noise sensitivity, and other such disturbances.
Black Tourmaline can be used as an aid to remove fear and boost self-confidence.
A popular metaphysical stone, Black Tourmaline is also great for grounding. It balances, harmonizes, and protects all of the Chakras. 
Black Tourmaline has a calming effect when needed, grounding flighty or scattered energies into the earth. Those who face challenges from negativity, frequent worrying, and/or OCD can work with Black Tourmaline to help heal these