Gabino Noriega placed jars of gemstones, various oils, and small glass bottles on a table in his classroom. At the table next ...

Miners discover a one-of-a-kind amethyst crystal inside a large basalt geode in the Santa Rosa mine in Uruguay’s Artigas ...

New research reveals that Flagstones in Dorset dates back to 3,200 BC, offering new insight into the origins of monumental ...

A better deal for collectors than the single hinged-link version that costs $225 (compared to these three hinged links for ...

First traced back to prehistoric times, cabochon rings are the latest old-school obsession. The rings are traditionally dome ...