Gem Refractometer Economical (CN) Diamond Boxes This state-of-the-art digital analyzer is

This state-of-the-art digital analyzer is patented and engineered for high performance

Key Features & Benefits

Tourmaline

it features a bright digital display

Gem Refractometer Economical (CN) Diamond Boxes This state-of-the-art digital analyzer isGem Refractometer is a precision optical instrument, it works on Total Internal Reflection Principles. By measuring refractive index, the user can distinguish and identify varieties of gems. It has high hardness glass test table, with very low dispersion and the shadow edge is straight and clear. Scale range is 1. 35 1. 8 and has an easy to clean stainless steel table. Comes with external light source. Features : Exclusively designed to measure