One of the most powerful conductors of energy, black tourmaline in quartz properties are excellent for absorbing and transmuting any negative energy in your body or environment. Black tourmaline in quartz is also a wonderful addition to your home healing sanctuary because it neutralizes toxicity in the environment, such as high levels of radiation and electromagnetic energy. Keep your space free of harmful electromagnetic waves by placing the crystal near a computer or TV, an excellent way to benefit from its neutralizing and grounding effects.