Rainbow Obsidian is black obsidian with different color banding that shows when tilted different directions under bright light. Most colors will be in the greens, oranges, and purples.
This piece of Rainbow Obsidian has been cut to create a star shape aligned with the rainbow effect. It is polished and has a flat base, and shows colors of green, blue, magenta, and yellow-orange shining through the black.
3.75" x 2.25"