citrine

Quartz is one of the most abundant minerals on earth. Learn how quartz forms and how its most popular varieties get their colors.

Topaz’s most popular mystical association has been with wealth. However, topaz symbolism and lore also covers areas such as health, love, and…

A gemstone’s clarity grade indicates how free it is of inclusions and blemishes. Learn how to decipher the GIA clarity grading codes and types.…

There are so many common gemstone treatments available today that keeping track of them can be difficult. This list and handy cheat sheet can help.…

Although emeralds occur in many localities, some sources are better known for high-quality gems than others. Learn about famous (and not so famous)…

Gemstone radiation is a common but little understood technique for altering colors. Learn how it works and what gems usually receive this treatment.…

Inclusions don’t have to result in a loss of mass or value when cutting transparent gems. Learn how to manage inclusions with basic gem carving techniques.…

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

Aquamarine is the blue to blue-green variety of beryl. If you encounter so-called white aquamarines, buyer beware. Learn the facts about these…