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 ...

Evaluating diamonds and precious stones involves considerably more than examining whether a gemstone appears attractive under a display light. Gemologists use specialized instruments, standardized ...

Identifying gemstones is not a trivial task. While properties such as color and transparency can help with identification, gemstones such as rubies, spinels, and garnets can be difficult to ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

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 ...