It's unusual, but not impossible, to find gemstones in your yard. If you're ready to start gem hunting right outside of your ...

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 ...

Origin of recovery of gemstones -- Diamond Ruby and sapphire -- Emerald, aquamarine and other beryls -- Chrysoberyl and spinel -- Topaz and tourmaline -- Zircon, peridot and spodumene -- The garnets - ...

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 ...