10 Gram Gem Gemstone Refractometer Refractive Index Fluid 1.81 nD Nu Calgon These apps are generally under

These apps are generally under $10 and a huge bargain for the average joe (pun totally intended

* Scale Range: 45

and a lighted daylight plate

This unit is made of durable Aluminum and has a 3 Year Warranty

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10 Gram Gem Gemstone Refractometer Refractive Index Fluid 1.81 nD Nu Calgon These apps are generally underItem Description: 10 Gram Vial of 1. 81 Refractive Index for Gem Refractometers American Made and ARSENIC FREE! Light in Color for the BEST Accuity (It's easy to read)! The most important aspect of the Refractometer is the quality of the fluid and its Refractive Index. This product has a Refractive Index value of 1. 81RI and is THE best product for accurate GEM Identification. The 10 Gram Vial holds about 2. 5ml of product The Gem Refractometer Liquid