Different to most birthstone necklaces on the market, we love how Fearne's one is a unique alternative to the classic pendant ...

Cultured pearls come in different sizes, shapes, and colors. Perhaps the best-loved gems of all time, pearls—both natural and modern cultured pearls—occur in a wide variety of colors. The most ...

Infrared Spectroscopy and Its Use in Gemology Infrared spectroscopy, specifically FTIR analysis, measures atomic vibrations to determine identity, cause of color, and potential treatments by analyzing ...