inclusions

The beryls are among the most popular, and also the most expensive, of all gems. A wide range of color is represented, from colorless to black. Beryls…

The newest thing in the opal world is the Opal Smart Chart. This is a software package designed to help you value your opals. It has two segments.

A guide for the price of various gemstones that is based on various sources for commonly traded goods. However, gems are sold outside this range…

Glass comes in several natural forms. All are used in jewelry.

The transcription of the interview of International Gem Society IGS with C.D. Parsons of Santa Paula, Calif. and Gerald Wykoff GG, CSM.

Jewelry, is composed of precious metals and rare gems. Even in jewelry made for every day use, the components can quickly run into some serious money.…

Quick facts about the optical and physical properties of diamonds.

No one to date has a total inventory, or a complete database, of gems and all their properties. Gemologists need to be cautious about relying on any…

Learn these quick and simple test taking tips and strategies to help you on your next gemology test.