Obsidian is molten lava that cooled so quickly it had no time to crystallize.
It is a stone without boundaries or limitations. As a result, it works extremely fast and has great power. Nothing can be hidden from Obsidian. It acts as a mirror to your self and brings out the truth, providing deep soul healing. Obsidian helps to identify your shadow or dark side and clear it away from your psyche.
Associated with the third eye, throat and root chakras. It has stabilising and grounding effects.
It is a strong protective stone which forms a shield against negativity. Especially for highly sensitive people. It blocks psychic attacks and removes negative spiritual influences. It is also considered a guardian of the soul.