The Pentagram symbolizes the elements of Earth, Air, Fire, Water and Spirit, and the continual flow of energy between the five points. When a sensitive, Empath, HSP or introvert wears a Pentagram necklace, it is to feel connection with each element and respect for the Earth. Obsidian is a powerful cleanser of psychic smog, offering strong protection. It's energy may also stimulate the gift of prophecy. Pendant measure about 1" on an 18" cord.