Features: *Brand new and high quality *Made of high quality material, strong and *Refractive index fluid is a gemological tool for determining refractive index. *This product allows its refractometer to measure within a refractive index measurement range of 1.30 to 1.80. *Great for trying all gemstones. *The liquid can also be used to reduce or eliminate defects on the to facilitate inspection of internal inclusions and other defects. *GL-01 liquid is packaged in vials containing 1.5ml of solution. Specification: *Name: Gem Refractometer Oil 1.79 /- 5% *Article Type: Accepted *Material: glass liquid *Capacity: 3ML *Weight: approx. 50 grams *Color as shown Package Included: 1X Bottle of Refractive Liquid Oil
