Gem Refractometer Black High-precision Measurement

Features: *Brand new and high quality *Made of high-quality materials, sturdy and *Various gemstones can be determined based on their refractive index, because different gemstones have fixed refractive indexes. *In addition, birefringence can be measured. *This parameter can be used to determine whether a gemstone is a uniaxial or biaxial for crystal. *This gemstone refractometer is small and lightweight. Unique design, extremely low power consumption and easy to carry. *Easy to carry and very popular in the jewelry industry. *Tested to strict quality and safety standards for long, trouble-free service life. *High-quality, high- for measurement results.

Specification: *Name: Gem Refractometer *Colour: Black *Measurement range: 1.30~1.81RI. *Minimum graduation value: 0.01RI. *Size: 30*70*130mm. *Application scope: pendants, bracelets, gemstones *Model：A(1X Gem Refractometer+flashlight+refractive oil)，B（1Xflashlight）

Package Included: 1X Gem Refractometer. 1X flashlight 1X refractive oil or 1*flashlight

Notes: 1. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture. 2. Please allow a slight deviation between the data and the manual measurement.