What is a synthetic gem? That is, all or part of the artificially produced inorganic products, and their physical properties, chemical composition and crystal structure are basically the same as the corresponding natural gems. That is to say, there is not much difference between synthetic gems and n

Different gemstones have different colors because of their unique physical structure, gemstones have some special optical effects under illumination.1. Starlight effectThe arc-shaped convex gemstone is illuminated by a point source, and the surface of the gemstone exhibits an optical phenomenon of f

People always have a strange behavior, i.e. want to figure out the diamond bought by them or their friends is a moissanite or a natural diamond? You may use these methods to show my friends and relatives to show that I am professional. Here are some simple identification methods: Perspective tes