Obsidian forms when molten lave cools quickly. Black Obsidian Stone is a powerful protection stone. This stone is said to have no limitations and works very fast. If you are looking to ward off negativity, Obsidian is the best stone to use. Placing this stone on your base chakra (located at the base of your spine) will be effective when attempting to become spiritually grounded.
Healing Crystals and Their Meanings