Description
- Measuring Range: 1.30 - 1.81 RI Minimum Graduation Value: 0.01 RI Color: Black
- ●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 gemstones quickly and accurately
- ●Uniquely designed, low battery consumption and portable ●Approved by strict quality and safety standards for long and trouble-free life ●Guaranteed high quality and accurate testing results
- Package Included: 1 x Gem Refractometer 1 x 2ml Vial of 1.800 Refractive Index Oil 1 x Mini Flashlight 1 x Storage Box 1 x Quick Start Guide
1.81 RI Oil Monochromatic Light Filter Gem Refractometer Gemological Gemstone
