Nephrite
Nephrite is a durable mineral variety of jade, typically green or white, valued in fossils and minerals contexts for specimens, carvings, and jewelry.
Estimated value as of 2026 · Source: Average from retail specimens like Fossilicious ($11-$16) and Etsy ($14/lb for 1…
Fun Fact
High-quality cat’s-eye Siberian green nephrite rough reached $50,000 per kilo in 2015, contrasting sharply with typical retail specimen prices.
Price History
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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.