Bead is 8.6mm Diameter is about 7.6cm Stretches with rubber Effects and Roles of Fluorite: 1. Fluorite helps awaken the brain, stimulates the right brain, and deepens thinking ability. It can be used for meditation and inspiration, and helps to resolve emotional problems. 2. Fluorite has strong energy. It can remove negative energy accumulated in the human body, resist and prevent the intrusion of negative energy from outside. 3. Wearing fluorite while working or reading can eliminate cluttered thoughts. It is not easily disturbed by outside opinions. It can effectively improve learning and work efficiency. 4. Helps to demagnetize and purify the human body's energy field, removing bad miscellaneous energy and bad luck, and cleaning each chakra. 5. Can increase a person's aesthetic sense and affinity. 6. Unnecessary harassment in various situations can be avoided. 7. Fluorite helps to control personal emotions. Concentration, mental stability, harmony, communication, relationships, overcoming anxiety, health, imagination, pendant, necklace, natural stone, gold, accessories, vintage clothing store, antiques, retro, luxury, power stone, bracelet, gift, birthstone Instant purchase OK, thank you!