Black Tourmaline PROTECTION | STRENGTH | TOLERANCE Black Tourmaline repels radiation energy and other negativity, making it a highly protective stone. It helps diminish fear. Black Tourmaline also brings a better sense of compassion and understanding. This bracelet consists of 8mm beads on a stretch cord. The beads have a shiny finish. This listing is for ONE (1) Black Tourmaline Bracelet. **NEW 4mm size available. All photos are of 8mm size, except the last photos which shows size comparison. Approximate weight: 0.55oz Approximate bead size: 8mm Approximate inside diameter: 2.3" Please note, stones are natural and WILL vary in precise size, shape, color, pattern, etc., and may not exactly match photo.