Largest amethyst geode
- Shandong Tianyu Museum of Natural History
- China Pingyi County ,Linyi City
The largest amethyst geode measures 3 m (9 ft 10 in) long, 1.8 m (5 ft 10 in) wide, 2.2 m (7 ft 2 in) high and weighs 13 tonnes (28,660 lb). It is displayed in Shandong Tianyu Museum of Natural History (China) in Shandong, China.