Simple black bead bracelet, perfect for casual style. Popular natural stone. This bracelet is made of obsidian, a very rare material. It is a volcanic natural glass formed when lava erupted from a volcano cools and solidifies rapidly, and is one of the oldest stones known to 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's Power ◆ Obsidian It wards off evil spirits and purifies the entire body. It is also said to be good for protection against evil. It strengthens one's own sense of self and is said to enhance the ability to accept new things without being bound by old wounds. It is effective for shock, trauma, and anxiety, and is said to promote energy supply and blood circulation, and to have the effect of relieving pain and cramps. [Dimensions] Wrist size approx. 16.5cm Diameter approx. 5.0cm Bead diameter 14mm Free, elastic Thank you for viewing.