Each specific gem cufflinks, with a specific refractive index instead of the substance

Yufu Workshop suggest that the hardness of jade is one of the important basis for identification of jade cufflinks, the luster of the gem cufflinks same identification gem cufflinks authenticity of the grade level of the basic standards. In general, the luster of the gem cufflinks in the brightness can be simply classified as "Can Light," "burning light", "flash" and "low light" several. After Can just the strongest brightness, eyes narrowed, for example, wear a good diamond reflecting surface such brightness; a high brightness of the burning light, dazzling brilliance, high hardness of the gem polishing generally have the burning brightness. Different forms of cufflinks can make the diamond look whiter or brighter or darker than it itself.
Flash is generally glass light levels, divided into strong flash and weak flash, high hardness of jade cufflinks are generally strong flash, low hardness of jade cufflinks for the weak flash; and low hardness of the stone surface polishing after , the light intensity of the low light. In addition to light levels, the identification of one of the characteristics of the luster is also a gem cufflinks. It is also divided into four categories: semi-metallic luster, and the refractive index between 2.6-3, such as goethite; adamantine luster, refractive index between 1.9-2.6, such as diamond; shiny glass refractive index between 1.3-1.9 such as the emerald cufflinks; oil sheen, like animal fat, the most famous is the suet white jade and nephrite. Besides, the set of claw marks is better to hide flaws on the diamond cufflinks. To Break the Equivalent Uniform of the cufflinks
 Each specific gem cufflinks, with a specific refractive index instead of the substance is difficult to have to do with their consistent under various conditions of hardness, density, refractive index, brightness, and therefore, through the identification of these standards, will be able to confirm the identity of a gem stone cufflinks with the initial value. Currently on the market jade powder by the artificial high-pressure synthesis of pseudo-jade color and hardness are approximate and nephrite, to identify when to be especially careful. Diamond cufflinks could have been the hardest natural stones. True jade soil Qin, Qin lime, mercury Qin, dead blood Qin, the cinnabar Qin, copper impregnation, the surface oxide layer, the Qin spot fake some fried, some grilled, some are using the chemical solution etching the. Figure out the difference and the difference between genuine and fakes in color, gloss, thickness, etc. is very important.