Get External Monochromatic Yellow Light Gem Refractometer, + 1.80 RI Oil, Gemological. GIA TOOLS with lowest price. high quality Product and top trusted online store in the USA, you are coming to the right place. Itâs a excellent Product and we are absolutely recommend it!
Description :
Measuring Range: 1. 30 - 1. 81 RI, Minimum Graduation (RI): 0. 01 RI, Illumination: Internal illumination with momentary switchSize: 30mm x 70mm x 130mm. 01 nD, Weight: 0. 4 kg, Ranges of Application: Laboratory, GemologyFilter: Polarizing filter. This model is just as good as the expensive models used in gemological institutes, it has a built-in light source and with the aid of the Contact liquid (RI Fluid). The refractive index (RI) of a gemstone provides the single most important piece of information to a gemologist seeking to identify an unknown stone. Due to its chemical composition and crystallization structure, each gem has a typical refractive index. In fact, you can also use this tool to measure R. I.Features :
- Approved by strict quality and safety standards.
- Convenient & easy to carry.
- Undoubtedly durable and very reliable.
- Comes with Automatic Temperature Compensation (ATC) that let itself adjust to the climate.


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