PROTECTION | STRENGTH | TOLERANCE Black Tourmaline repels radiation energy and other negativity, making it a highly protective stone. It helps diminish fear. Black Tourmaline cleanses, purifies, and transforms dense energy into a lighter vibration. This is a very powerful spiritual grounding stone and will protect against negativity of all kinds. Carrying Black Tourmaline can help to strengthen one's fortitude against a highly negative environment, such as what can commonly be found in the workplace. Use black tourmaline to protect against stress and to minimize obsessive thoughts.