Black obsidian

Black Obsidian is an extremely powerful and fast acting stone. It is a very protective stone. It is said to form a shield against negativity and to absorb negative energies from the environment. Because of this it should be cleansed regularly in running water. Place Black Obsidian on the Base Chakra for grounding. In healing it is believed to reduce the pain of arthritis, to help joint problems and to ease cramp. It is also said to aid digestion. Use obsidian to help block negativity of any kind.