Fake gems are far more than a nuisance. They’re an unkind, expensive problem for consumers. Gem scams are serious financial and legal risks for both consumers and gems businesses, particularly online.

Spectroscopy was first used for studying minerals and gems soon after Isaac Newton attempted to separate sunlight into its component colors with the help of a prism. By the mid-1800s, researchers ...

The demand for gemstones is increasing, and fake gemstones are becoming a prominent and difficult-to-tackle problem in the jewelry and gemstone industries. Synthetic, fake, and enhanced gemstones can ...

The Rock and Gem Book is packed full of photos of natural wonders, including rocks, minerals, gems, shells and fossils. This children's encyclopedia displays more than 1,200 full-color specimens, from ...