Black Tourmaline Pendulum.
 
Pendulums are great for dowsing, divination and energetic clearing and cleansing.
This deep black stone works well with the root chakra and offers energies of grounding, clearing and protection, as well as transmutation of negative energies.
This stone is associated with Capricorn and the element of earth.
 
This little pendulum is approx 20mm long with a 18cm long chain (not pictured).