Gemological refractometer

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Gemmology is the science that studies natural and artificial gemstones. It is considered a geoscience and a branch of mineralogy. Jewelers who are academically trained gemologists are qualified to identify and evaluate the gemstones

Gemmological refractometers are important instruments in gemological research laboratories

Features

• For examining gemstones
• Portable, accurate and fast
• With specific optical filter 590 nm
• Unit in RI

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GEMMOLOGY
To identify the type of gemstone, the refractive index of the light in the gemstone is measured. All materials have a critical angle and from this angle the light is no longer refracted, but completely reflected internally. By measuring this angle, the type of gemstone can be identified. This is measured with a gemological refractometer

IDENTIFICATION BY REFRACTIVE INDEX
Refractive index, one of the most important properties for determining the type of gemstone, is a material constant determined by its chemical composition. This allows users to identify the gemstone material through a refractive index measurement. Determining the refractive index is done using the 589 nm D-line of a sodium lamp. This wavelength is filtered with an optical filter