Amethyst Crystal Ball and Clear Stand Set- A truly marvelous example of ancient high tech changing color from daylight to man-made light. The Amethyst sphere changes color in different lighting. Shown on this page in natural light, appears different in artificial incandescent light. 80mm diameter Amethyst Crystal ball complete with a Pure Quartz stand. Set comes complete with matching quartz stand and Amazing Amethyst Ball. Saves on the price of each! Click here to Contact Us Product Number: YP80UM85 (Amethyst Crystal Ball Crystal Stand Set 80mm), YangP80 (Amethyst 80mm), UM85106 (80mm Crystal Stand).