Smoky quartz is a very protective and grounding stone. It brings physical and psychic protection. It is also an excellent stone for protection from negative energy, as It removes negativity and negative energy of any kind and transforms them to positive energy.
Black tourmaline can be used for protection against negative energies as well as grounding stone.
Combining both to bring out the best for you. Added AA Quartz to amplify positive energies of the crystals.
wrist size: 15cm