Black Obsidian mushrooms. Obsidian is highly vibrational, said to be one of the most protective + truth-enhancing gemstones. Aligned with the base chakra - Obsidian assists in grounding, clarifying the mind, and releasing emotional blockages built up in the body. Obsidian is a great stone to use when manifesting and meditating. ✦ Measure roughly 2 inches tall x 1.5 inches wide *Each crystal is unique in shape and size *Sold as a single