1.an transform the negative energy of the human body into healing power, especially to replenish energy for the tired and exhausted body to get rid of the entanglement of diseases. 2. Purple Dragon Crystal helps to eliminate doubts in people's brains, see the truth of facts clearly, and prevent them from being confused by appearances, so as to gain true knowledge and gain wisdom. 3. Amethyst can adjust human blood pressure, relieve cramps and pain, improve human physique, and is beneficial to damaged liver function, eyes, spleen and pancreas