A glass-like substance formed from rapidly cooling lava

Hardness: 5 to 5.5

Locations: Worldwide Distribution

Astrological sign of: Sagittarius

Beneficial for compassion, protection, absorbing negative energies, strength, detoxification, insight into the cause of disease, deep soul healing, brings depth and clarity to emotions, clarity of the mind, clears confusion. It is believed that obsidian reflects ones flaws and promotes a clear picture of the changes that are necessary. Obsidian is an excellent stone for grounding, and protection. It provides a shield against negative environmental vibrations.