Product Description
The Gemstone Refractometer, is the primary and most powerful tool in identify and authenticate polished precious and semi-precious gemstones and observing the optical properties and the structure of gemstones.
- Measuring Range : 1.30 - 1.81 RI
- Minimum Graduation : (RI) 0.01 RI
- Illumination : Internal Light Source with momentary/power switch
- Dimension : 35mm x 63mm x 115mm Scale
- Division : 0.01 nD
- Weight : 0.4 kg
- Ranges of Application : Laboratory Gemology Filter : Polarizing filter
- Power Source : 3 x 1.5V AG13 button batteries
- Color : Black