inclusions

Gem stress can cause stones to break during faceting. Learn what techniques may reduce the odds of fracturing and how to spot problem rough before…

Emerald has been synonymous with the color green since ancient times. A fine emerald is a truly breathtaking sight, and this member of the beryl…

Few gems have held our attention over millennia as well as sapphire. The pure blue colors and excellent durability of this gem-quality member of…

Mined emeralds are expensive, so lab-made emeralds are an attractive option for consumers. Learn how these synthetic gems are made and how to identify…

Oil treatment is a standard industry practice for enhancing emeralds. However, the treatments are not permanent. Learn how to re-oil emeralds…

Meteorites can make beautiful, unique jewelry. This primer on meteorite terminology will help you buy the perfect meteorite jewelry piece or…

Evaluating emerald quality, especially clarity, can be very complex. Navneet Gems & Minerals has proposed the following system for grading emerald…

Although gemstone magnetism isn’t commonly tested, it can help gemologists distinguish similar looking gems. Learn how to analyze this property.…

Emeralds get their green color from chromium and vanadium. Learn how the presence of these elements affects their formation and causes emerald…