Gem refractometer is a low-cost lightweight measuring instrument used by jewellers and traders of gemstones . The instrument can also be used to identify whether a particular stone is Isotropic or Anisotropic (uniaxial or biaxial). Gemological (Gemstone) Refractometer is your primary and most powerful tool in gemstone identification. As with a typical critical angle refractometer, it will measure the Refractive Index of faceted stones.



  • Can identify singly doubly refractive gemstones quickly and accurately.
  • Uniquely designed low battery consumption and portable.
  • Approved by strict quality and safety standards for a long and trouble-free life
  • Guaranteed, high quality and accurate testing results


Set Includes:

  • 1 x Gem Refractometer
  • 1 x Polarizing Filter
  • 1 x Monochromatic Light Filter
  • 1 x Mini Flashlight
  • 1 x 1.5V AAA Battery
  • 1 x Storage Box
  • 1 x Refractometer
  • 1 x 2ml Vial 1.790 Refractive Index Oil
No other information available

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