Black tourmaline is a powerful protective crystal that grounds energy, shields against negative energies and stress, and absorbs EMF radiation. In Vastu, place it at the main entrance to block negative energies, in the corners of rooms to absorb negativity, near electronic devices, or in stressful areas to promote emotional stability and calm sleep.
Properties of Black Tourmaline

Protection: A primary protective stone that repels negative energies, psychic attacks, and negative entities.
Grounding: It is a strong grounding stone, enhancing connection to the earth and providing emotional stability.
Energy Cleansing: Absorbs negative energies from its surroundings and helps to cleanse the energy of a space.
Stress & Tension Relief: Known to release stress and tension, helping with mood stabilization and promoting calmness.