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 ...

Gemstone names carry centuries of symbolism and healing energy. If you're looking for gem-inspired baby name for your little ...

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 ...