Peridot
Peridot is the gem-quality green variety of the mineral olivine, commonly sold as faceted gemstones or crystals in the minerals and fossils market.
Estimated value as of 2026 · Source: Average from gem buying guides for 1-2 carat faceted stones
Fun Fact
Peridot has been valued since ancient times as the 'evening emerald' because its green color remains vibrant under artificial light, unlike many other gems.
Price History
More in Nature
Californium-252 (per gram)
Californium-252 is a synthetic radioactive element produced in nuclear reactors, valued as an exceptional neutron source for medical and industrial applications.
Dog Collar
A dog collar is a band worn around a dog's neck, typically made of nylon or leather, used for identification, control, and attaching leashes.
Fossil Tyrannosaurus Rex Skeleton (Stan)
Nearly complete T-Rex skeleton auctioned for research and display.
Moon Rock Sample (From Apollo 17 Mission)
Lunar basalt specimen collected during humanity's final Apollo mission in 1972.