Black Onyx STRENGTH | STAMINA | SELF-CONTROL Onyx brings strength, stamina, and vigor. It dispels fear and helps with self-confidence. It works with the lower Chakras to provide balance and protection. This bracelet consists of 8mm round Black Onyx beads on a durable stretch cord. This listing is for ONE (1) Black Onyx Bracelet. **NEW 4mm size available. All photos are of 8mm size, except the last photos which shows size comparison. Approximate weight: 0.6oz 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.