Purification Amulet, adjustable red string bracelet with a semi precious Crystal Quartz stone. Chakra: Crown. Keywords: Purification, harmonization, balance. Cure: Immune system Power: Enhances our thoughts and energy. Regulates energy and neutralizes electromagnetic vibrations. It makes a deep emotional and spiritual cleanse. Increases psychic abilities and unlocks memory. Harmonize all the chakras. Mantra: In this moment I renew every cell of my mind and body.