What are the health-improving crystals?

White crystal: it has the function of focusing, concentrating and expanding memory. It is a synthesis of all energies, and is called the Crystal King. It can cure the house, ward off evil spirits, purify the whole body, get rid of illness, and make money into treasure.

Amethyst: Develop intelligence, calm emotions, improve intuition, help thinking, concentrate on reading, increase memory, improve interpersonal relationships, and give people courage and strength. Representing noble and loyal love, it is often used as a love stone for couples. Amethyst also represents the "guardian stone of love" in western countries, which can give lovers and lovers deep love, chastity, honesty and courage.