Chivor: a town in Colombia, located in the Boyacá Department, where the namesake Emerald mine is situated. The Emeralds from this mine are known for their blue hues and often feature biphasic tubular inclusions.
Chivor
Chivor: a town in Colombia, located in the Boyacá Department, where the namesake Emerald mine is situated. The Emeralds from this mine are known for their blue hues and often feature biphasic tubular inclusions.
IGR (Rivista Italiana di Gemmologia/Italian Gemological Review) è la rivista gemmologica internazionale italiana, nata nel 2016 da Gem-Tech con l’obiettivo di sviluppare in Italia un network informativo per Gemmologi e per professionisti quotidianamente impegnati nel settore delle pietre preziose.
IGR – Rivista Italiana di Gemmologia, the Italian Gemological Review, is the leading International Gemological Magazine in Italy masterminded by Gem-Tech Gemological Institute, a broad information framework for Gemologists as well as professionals involved daily in the gemstone business.
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