1. A gemstone formed from the fossilized shell of an ammonite, typically displaying iridescent colors and used in jewelry.
Usage: Also called ammonite in some contexts, though ammolite is the preferred term for the gem material.; Primarily found in Alberta, Canada.

Examples

• The jeweler crafted a stunning pendant from a piece of ammolite.
• Ammolite displays brilliant flashes of red, green, and gold when light hits its surface.
• This ammolite specimen came from a 70-million-year-old ammonite shell.
• Collectors prize ammolite for its unique iridescent properties.
• The ammolite ring caught the light with its characteristic rainbow hues.