Benefits of Crystal Intention Bracelet Unakite- Self Confidence. Black Tourmaline- Protection, Security, Boundaries, Strength. Tiger Eye- Release Fear & Anxiety. Malachite- Positive Vibrations. Smoky Quartz- Leadership & Courage. Please customize your size chart in the order note. Product Size 7 inch Please note: You will receive one crystal similar to the ones photographed. Photos show typical quality. Each and every crystal is unique.