Around 600 years ago, an aristocrat visiting a medieval castle lost an ornate piece of jewelry. But archaeologists recently ...

James Marshal Couch discovered benitoite, a rare gemstone once mistaken for sapphire, in California's San Benito Mountains.

Hidden in Michigan’s Upper Peninsula sits a treasure trove of Earth’s most dazzling creations, where even the most ...

Fact checked by Nicholas Blackmer If you’re hunting for a baby name that feels both grounded and a little magical, you might want to look beyond popular baby name lists and into your jewelry box.

Copper-bearing gem tourmaline, known as Paraíba tourmaline after the location of its original discovery, is prized for its vivid blue to green color. This article explains GIA’s use of quantitative ...

The Lizzadro Museum of Lapidary Art in Oak Brook, Illinois, is exactly that kind of hidden treasure. If you’re wondering what ...