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The Iceland spar dichroscope is a conventional instrument used specifically to observe the pleochroism of gemstones. In some cases, pleochroism is also the basis for determining the variety of gemstones....

  A gemstone polariscope is a simple and easy to operate gemstone identification instrument, mainly used to detect the optical properties of gemstones. It can also be used to determine...

On 25th May , the “2024 Guizhou Vocational College Skills Competition and National Vocational College Skills Competition Selection Competition – Jewelry and Jade Appraisal Skills Competition” was grandly held at Guiyang...

UV lamp is an important auxiliary identification instrument. It is mainly used to observe the luminescence of gemstones, and the fluorescence characteristics of gemstones under long and short wave ultraviolet...

On 30th May, our company was invited to participate in the 19th Skills Festival Summary and Commendation Conference of the Jewelry Academy of Shenzhen City Vocational College (hereinafter referred to as...

In the world of gemology, accurate identification and differentiation of gemstones are crucial. The refractive index (RI) of gemstones is one of the most stable and reliable data points, as...