Gemstone secrets every collector should know From ancient talismans to dazzling modern jewelry, gemstones carry beauty, history, and value. Knowing how to identify, grade, and care for them can ...

Have you ever heard stories about people finding a rare treasure in their yard, whether it was a fossil in their garden, a rare coin, or even a gemstone, and thought, "Wouldn't it be amazing to find ...

It’ll be a snap to identify gemstones once Robert Downs finishes his library of spectral fingerprints for all the Earth’s minerals. Downs is almost halfway there. So far, the associate professor of ...