A discussion of brilliance, windows and extinction as they relate to the face-up appearance of colored gemstones. Diagrams demonstrate that extinction is largely a function of cut.
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 lack it simply stand in awe – viewing a rare jewel – the sheer majesty of it all. In my lifetime, the closest I've come to that stuff is a man named Gerry Rogers.
A curated list of the most important books on gems, gemology, jewelry, mineralogy and allied fields.