Popular natural stone. This is a very rare obsidian bracelet as a material. It is a volcanic natural glass created when lava erupted from a volcano cools and hardens rapidly, and is one of the oldest stones in contact with mankind. At first glance, it looks like black onyx, but when held up to strong light, a faint pattern appears, proving it is obsidian. Stone Effects ◆ Obsidian It wards off evil spirits and purifies the entire body. It is also said to be good for protection against evil. It is said to strengthen one's own way of feeling and enhance the ability to accept new things without being bound by old wounds. It is effective for shock, trauma, anxiety, etc., and is said to promote energy supply and improve blood circulation, and has the effect of relieving pain and cramps. [Dimensions] Wrist size approximately 16.5cm, diameter approximately 5.0cm, bead diameter 14mm, free size, elastic Thank you for viewing.