Fossilized Coral
$5.00
Fossilized coral is ancient coral replaced by minerals like chalcedony or agate, sold as affordable tumbled stones, slabs, or polished specimens in the fossils and minerals market.
Estimated value as of 2026 · Source: Silver Cove Ltd and similar retailers for small specimens
Fun Fact
Petoskey Stone, a popular fossilized coral from Michigan, is the state stone and often displays intricate hexagonal patterns when polished.
Price History
More in Nature
$31.8M
Fossil Tyrannosaurus Rex Skeleton (Stan)
Nearly complete T-Rex skeleton auctioned for research and display.
$5M
Moon Rock Sample (From Apollo 17 Mission)
Lunar basalt specimen collected during humanity's final Apollo mission in 1972.
$3.5M
Hope Diamond
A 45.52-carat deep blue diamond with a legendary curse.
$2.0M
Gold Bar (400 oz)
A standard 400 troy ounce gold bar, the kind stored in Fort Knox.