How to identify fake turquoise
Turquoise is listed as one of the four famous jade in China, not only because of its unique blue color, but also because of its precious meaning. In recent years, the turquoise collection has gradually warmed up, and fake turquoise gradually appears in the market. What about turquoise? Turquoise is characterized by its color, opacity and luster. It is azure, lake blue or light blue, sometimes blue-green or dark green, and is easily mixed with a few translucent to opaque stones. The high-quality turquoise rough surface has a grease luster, the polished surface is glass luster, and it is translucent. If you carefully compare and understand, it is generally not too difficult to distinguish between true and false turquoise. Nevertheless, turquoise may still be counterfeited by certain gemstones with similar appearances, especially after 1972, synthetic turquoise entered the international market, which brought certain difficulties to the identification of turquoise. Synthetic turquoise, its chemical composition, structure, refractive index, relative density and other properties are almost the same as natural turquoise. But some people think that it can only be regarded as a kind of imitation, because this synthetic turquoise can see a spheroidal structure under the magnifying glass, like countless closely packed small spherulites, while natural products do not have this structure. Obviously, the microspheres are pressed together, at least in part by some type of adhesive. Superdry Tracksuit,Men Tracksuit,Sports Tracksuit,Mens Tracksuit Set Yingjia Garment Co., Ltd , https://www.yjgarments.com