Black tourmaline enhances energy and removes blockages. Black tourmaline can be used to both repel and protect against negativity. Each rough stone is 100% natural, none of them are artificially made. Every stone you receive is of the highest quality. Please note to rinse when received as they might contain dust. A stone of protection, emotional healer and supporter, tourmaline makes you courageous and confident. Making you concentrate better at your workplace, tourmaline also helps you stay more connected with Mother Earth. This grounding stone works on the Base Chakra and utilizes the water energy for creating a calm and negativity-free environment. Because of its multitude of properties and powers, the black tourmaline has also got special place in Feng Shui. The stone is also believed to counteract the internal disagreements or clashes and purify one's own negative thinking. Augments & improves concentration.