MATERIAL: The pendant is made of 100% natural obsidian, so each pendant is unique one. Each piece of obsidian jewelry is exquisitely crafted and polished by our most skilled masters.HEALING JEWELRY: Obsidian is said to impels us to grow, help to remove negative energy blocks and keep your thoughts positive. Healers use it to relieve pain and improve circulation. When you wear obsidian necklace, it promotes happiness, health, good luck, and healing.SIZE DETAILS: Pendant Size: 1.73*1.81 inches.Unique but Charming gift on Birthday, Valentines Day, Mother's day, Father's Day, Christmas, Thanksgiving day, or any occasion for men, women, your family, dear friends or just keep it for yourself.