Black Obsidian is compared to the Great Void or the Great Mystery from which all things are created. It is a stone for spiritual dreaming. Black Obsidian is a teacher stone and a “Warrior of Truth.” Obsidian draws one inward to the center of the Self, to the place of truth. Obsidian is a powerful cleanser of a muddy aura and is a strong psychic protection stone, shielding you against negativity. It is thought the energy of these stones may stimulate the gift of prophecy.