Obsidian is formed as lava from volcanic eruptions cools within the earth. The speed at which it cools prevents crystallization and the rock forms as solid volcanic glass. Obsidian helps to protect against depression. It is the stone of the soft-hearted and gentle people of the world. As a black gemstone, it symbolizes self-control and resilience. Obsidian is truth enhancing. A strongly protective stone, it forms a shield against negativity. Obsidian draws out mental stress and tension. It stimulates growth on all levels, urging exploration of the unknown and opening new horizons. Brings clarity to the mind and clears confusion. Helps you to know who you truly are. Obsidian dissolves emotional blockages and ancient traumas. Promotes qualities of compassion and strength.