| we can supply Hand Held Prism type SpectroscopeGemological 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…Uses of this model:1. Unpolished stones.2. To identify treated stones.3. Faceted stones that have a refractive indexabove the normal range of the refractometer.4. Identify some synthetics (i.e Natural BlueSapphire from its synthetic counterparts) | 
