The moon-shaped crystal pendant has a stimulating effect on your brain functions, making it work healthier and more focused. When crystal quartz stone is used on you, the negative energy around you protects you from people.
Amethyst: Relaxation, Balance
Adventurine: Comfort, Emotional Healing, Calm
Quartz: Healing, Amplification, Postivity
Rose Quartz: Trust, Harmony, Love