2.6 inches tall. Rainbow obsidian is believed to possess powerful metaphysical properties that promote emotional healing and personal growth. It is thought to activate and balance the root chakra, grounding the individual while fostering a sense of stability and security. This stone is also said to enhance one's intuition, helping to reveal hidden truths and dissolve blockages in the energy field. Additionally, rainbow obsidian is believed to provide protection, shielding the user from negative energies while encouraging spiritual transformation.