Rainbow Obsidian is used psychically to enhance clairvoyance and is an excellent scrying stone, especially in the areas of love, relationships and self-development. It is also a very protective stone, and is especially effective in protection rituals and amulets, where it works by grounding out negativity to let light in. Thus, it is also a very grounding and centering stone. Rainbow Obsidian is primarily associated with the root chakra.