Emerald : Advanced gemology

Update your gemological knowledge of emeralds and get a better understanding of the rarity of this mineral and gain a thorough knowledge of emerald treatments and the surrounding controversy concerning the materials used for fracture filling the emeralds, and learn how to separate natural, treated, and laboratory-grown emeralds. This seminar is part of the advanced gemology series and is addressed to participants who are already familiar with the basic gemology of emeralds.