Moonstone

Moonstone

$5

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 …