| we can supply Offer Abbe RefractometerHere are brief introduction of our company:Gemological instrument is professionally designed for testing or identifying the gemstone. It is a good instrument to the professional practitioner or the student who are engaged in the gem industry. We have Gemological Refractometer , Spectroscope, Polariscope, Dichroscope, Chealse Filter, Gem Magnifier, Gem Gauge, Gem balance, Ultrasonic Cleaner etc…This instrument is designed for the measurement of refractive index(nD) and the average optical dispersion(NF-NC) of the transparent, the semitransparent and the solid matter. It also can measure the Brix percentage of sugar solution. It was widely u | 
