
Moonstone
Moonstone is a variety of feldspar mineral known for its layered structure that produces a pearly blue sheen called adularescence, commonly sold as tumbled stones, cabochons, or polished specimens in the minerals and fossils market.
Estimated value as of 2026 · Source: Average from tumbled stones and entry-level cabochons across FossilEra, Healing …
Fun Fact
High-quality moonstone cabochons with strong blue flash can exceed $100 per carat, while common tumbled pieces start as low as $1 on sale.
Price History
More in Nature

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.

Hope Diamond
A 45.52-carat deep blue diamond with a legendary curse.

Gold Bar (400 oz)
A standard 400 troy ounce gold bar, the kind stored in Fort Knox.