2. Obsidian and black-haired crystal are also the most attractive gems, because their energy is strong and pure, especially suitable as treasures to ward off evil spirits. According to the relationship between the five elements, people who lack water in the five elements are particularly suitable for this black crystal stone.
3. Obsidian with the reputation of "Black King Kong" can not only eliminate negative energy, but also remove unpleasant musty smell and bad luck. Black hair crystal, also known as "leader stone", can not only eliminate negative energy like obsidian, but also help people in charge of their careers.