Digital Devil #4. Genius is a funny thing. Those who possess it tell you it's just a matter of hard work, elbow grease, if you will. Those of us who l...

A critical examination of the methods used in gemological laboratories for the color grading of diamonds.

Digital Devil #3. This column is for both those who know about the web, as well as them that have yet to understand its power.

Digital Devil #2. It took me a while to realize that the editor wanted me to write about gems.

Links to websites related to gemology, gemstones, minerals and jewelry.

Digital Devil #1: The fights between gem dealers and gemologists are legendary, with each side looking down upon the other. It's truly dog against dog...

The Opticon treatment of fissure-filling treatment emeralds with Opticon became an issue of huge controversy in the late 1990's. This article takes a ...

The following interview with Richard W. Hughes appeared in Australian Jeweller, May 1998, p. 10.

Thanks to all those who have helped us over the years.

A curated list of the most important books on gems, gemology, jewelry, mineralogy and allied fields.