.Obsidian arrow heads were fashioned by the Native American Indians for use as weapons, blades and spears. Obsidian is a naturally occurring volcanic glass. Wear this pendant to attune to the ancient ways of the American Indian, to honour fire magick in all its forms. To help ground and protect. Obsidian is a powerful stone of mourning and helps one to let go sorrows and grief. Length is approx. 4cm. Comes with cotton thread. Please note, arrowhead may differ from picture.