We coated the rock crystal with titanium, and the titanium coating was able to flash beautiful rainbow colors at different angles and in light. In addition, we design it as a handheld size that you can put into your pocket or bag take to anywhere. Angel aura crystal is one of the most popular healing stones, which can clean your chakra, release powerful excellent aura to reiki you, absorb your bad energy, reduce your mental fatigue. It can also help you improve the efficiency of meditation, if paired with a crystal grid which can enhance its power.