Transparent diamond articles

Diamond is the hardest natural material in the material, diamond can be carved to any other precious stones, but the characterization of any other precious stones but had fixed diamonds. Can also use the "standard hardness tester," depicts, where the hardness is less than 9 degrees are fake. Diamond also has a hydrophobic, such as the pen to draw a line in the diamond surface, is to form a continuous line, while other gems are presented intermittently interrupted line. The method in the identification of diamonds have some reference value. Can also be observed through a magnifying glass 10 times, 10 times in under a magnifying glass, the majority of diamonds see Xia defect, the growth triangle pattern, the diamond surface, "red, orange and blue" colors such as "Fire" light. Radiant. The most accurate and reliable method is to use "thermal conductivity instrument," measured thermal conductivity data to distinguish between genuine and fake diamonds, but the "thermal conductivity instrument," the price higher.
As the first luxury diamond jewelry is noble, currently on the market with cheap gems, artificial stones or glass to replace or take that diamond uncommon, common kinds of fake diamonds are the following: ① zircon: very similar with the diamonds, diamonds the best substitute. Identification method, zircon as a very polarizing and birefringence, as observed with 10 times the magnifying glass after processing of zircon prism faces, its top face down, one can see the bottom of the ridge there are obvious double shadow, and no double-diamond film phenomenon. ② glass: refractive index of glass is very low, no diamonds, colored light that flashes; particular sink, glass glory no immediate step ahead of pursuit. ③ Soviet diamond: the cubic zirconia was first developed by the Soviets, hence the name. Soviet diamond is man-made compounds, but in the dispersion, such as refractive index very close to natural diamonds, but also has the "fire" an attractive shiny appearance. But its hardness is low (8.5), each program can be engraved with diamond distinction. And thermal conductivity much lower than the diamond, you can "thermal conductivity instrument," identification, accurate to distinguish. ④ Crystal: Crystal clear though is the natural mineral crystals, like diamonds, after processing, but the lack of light colored diamonds.

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