Black Obsidian Beaded Crystal Bracelet 8mm.  High Quality beads.  Obsidian is a highly-regarded protective stone, known for its ability to block, absorb, and transform negative energy. Obsidian is believed to be a stone of clarity, with the ability to release emotional, physical, and spiritual blockages, drawing out stress and tension.  Highly recommended for any person starting out on their crystal healing or someone looking to replenish supplies.  The black colour is very versatile and can be coordinated with any outfit.