Size:55*45mm</br>Chain Length:58cm-66cm;23inch-26inch</br>Natural Black Obsidian??for both Mens and Womens</br>Comes with a beautiful Gift Bag</br></br>Product Description</br></br>Obsidian is formed as lava from volcanic eruptions cools within the earth and submerged in water so quickly. It doesn't have time to crystallize resulting in volcanic glass. In the Middle Ages it was thought to ward off demons. Hence it is often used as a grounding stone.A stone of Honesty?? Sincerity and Truth. Obsidian can