Agate Amethyst Cathedral Geode, Museum GradeDescription Once in a lifetime we have the pleasure to find an Amethyst Geode like this, a masterwork which combines the most beautiful tone of purple, with the amazing white agate lines, sophisticated formation with perfect calcite inclusions. This rare agate amethyst geode is definitely highly regarded and will for sure find a top spot at any world class collection or museum. The first thing we notice is the purple tone it brings: rich, scrumptious,