Crystal Necklace Design: Rope wrapped hexagonal pointed pendant necklace, 6 faceted cut point gemstone pendant, a simple crystal necklace jewelry suitable for both men and women. Crystal Pendant Material: Natural Black Obsidian, Rope, Wax Rope Chain Specification: Pendant Length.37-39mm * Width.18mm, Chain:Longest Adjustable Length:31 inches, Width. 2mm Obsidian is a very protective stone, and is excellent for removing negativity. It is also excellent protection against psychic attacks. In particular obsidian protects the gentle from abuse, and is used to cut attachment cords to release one. It is a very grounding stone, and very healing. Great Necklace Gift: Come with a velvet pouch, ready for gift. It will be a great Birthday Gifts, Christmas Gifts, Wedding Gifts and so on. It's a great gift for your friends, your family and yourself.