Refractometer with Light & Case Dumont 253 – Swiss Bur

253 – Swiss Bur

Each set includes three tools

756 – 1 Lb

Compatible with the GRS BenchMate "lift on/lift off" mounting system for fast

Sold in straightened 12-inch lengths

Refractometer with Light & Case Dumont 253 – Swiss BurRefractometers are a primary tool in gem identification, used to measure the refractive index of gemstones with precision. This refractometer features an easy viewing lens, a measuring range of 1. 301. 81, and a minimum graduation value of 0. 01. The set includes a compact storage case and a small flashlight to serve as a light source, along with instructionsmaking it a complete, ready to use kit for gemological work. Refraction liquid is not