XYFGODEM Digital Refractometer for Gems – Portable Jewelry Calibration Tool with Refraction Index 1.300-3.000, Gemstone Authenticity Tester

XYFGODEM Digital Refractometer for Gems – Portable Jewelry Calibration Tool with Refraction Index 1.300-3.000, Gemstone Authenticity Tester

XYFGODEM

Sturdy construction with scratch-resistant aluminum alloy work surface for precise and durable testing. Fast and accurate measurement of the refractive index of precious stones, without causing damage, covering a range of 1,300-3,000. Simple testing method requires no refractive oil; just place the gem on the platform for immediate results. It works on the principle of total internal reflection, allowing optimal characterization of gems and solid materials. Ideal for identifying colored diamonds and gemstones, making it easy to evaluate single and double gems.

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