Nutrient: in the various methods of synthetic material production, this term—or the term feeding material—refers to the powdered or fragmented components of the oxides of the elements that make up the synthetic crystal to be produced.
Nutrient: in the various methods of synthetic material production, this term—or the term feeding material—refers to the powdered or fragmented components of the oxides of the elements that make up the synthetic crystal to be produced.
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.
Testata registrata al Tribunale di Napoli, reg. n. 15 del 18/05/2017.
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