Ammolite is a rare, iridescent organic gemstone made of fossilized ammonite shells. Found almost exclusively along the eastern slopes of the Rocky Mountains in Alberta, Canada, it is prized for its vibrant, opal-like play of colors—particularly rare blues and purples—that shift with the light.
11x9mm ammolite with bright green, yellow, and orange flash that has been set into an adjustable sterling silver ring that will best fit sizes 7 - 9
