inclusions

A dichroscope is one of the most useful instruments a gemologist can have. Its primary purpose is to determine the pleochroism of a gem. This can…

Gemologists use liquids with high refractive indices (RI) to ascertain gemstone RIs and, thus, help identify and distinguish them. In addition,…

We tend to take light for granted. It’s such a common thing we experience every day. Rarely do we think of the scientific definition of light…

Some student gemologists might be unfamiliar with the microscope. This tutorial video will show you the features of your microscope and…

Sometimes, microscopic inclusions and color banding are the only way to distinguish natural from synthetic gems. This makes the microscope an…

The simple 10X loupe fits in your pocket and costs less than any other piece of gemological equipment. You’ll learn more with it than any other…

Gemology involves studying the optical and physical properties that make gems such unique little treasures. Gem identification involves analyzing…

In a recent phone interview, gemology tools expert Cara Williams of Stone Group Labs discussed the myriad tools available to gemologists today.…

People often ask me about gem identification. More specifically, they ask me to identify their gems. Some think I can do this simply by looking at…