Flux: in the process of producing synthetic materials in a crucible using the Flux Growth Method, “flux” refers to a mixture of Metal Oxides (such as Vanadium Oxide, Lead Fluoride, Molybdenum Oxide, Lithium Oxide, Boric Acid, etc.) with a melting point lower than that of the nutrient. The flux acts as a solvent for the nutrient (the powdered oxide components of the elements that will form the synthetic crystal).
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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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