Obsidian PURIFICATION | MANIFESTATION | TRANSFORMATION Obsidian, a volcanic glass, is a protective stone that shields against negativity. It brings a clear mind, allowing for easier manifestation. A great tool for those looking to make changes in their life. This bracelet consists of 8mm round Gold Sheen Obsidian beads on a durable stretch cord. This listing is for ONE (1) Gold Sheen Obsidian Bracelet. 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.