INTRODUCTION TO EMERALDS

Gem-quality emeralds are extremely scarce. The geological conditions that allow for the occurance of the beryl gem family (beryllium...

For all practical purposes, ALL emeralds have inclusions in them. An inclusion is anything included in the crystal, which if flawless...

The inclusions in emeralds are often extremely fine gas pockets or fissures. The difference in refractive index or capacity for...