Crystals have healing energy that can benefit mental, physical, and spiritual well-being when their vibrational frequency amplifies alongside the body's energy. The document recommends starting with citrine to inspire abundance and deflect negative energy, clear quartz to protect against harm and aid ambition, and rose quartz to inspire self-love. Amethyst opens the mind and evades negative energy, while black onyx protects by absorbing negative energy. These are just a few of the crystals that have been used for healing for thousands of years.