Rękodzieło i zestawy naukowe INDEX

Features: 1. The refractive index fluid is gemologist tool for identifying refractive index. 2. The product allows your refractometer to measure within the measuring range of 1.30 to 1.80 refractive i więcej→ndex. 3. Perfect for testing all of your gem stones. 4. This liquid can also be used to reduce or eliminate glare from a gem s surface, facilitating inspection of the gem s interior for inclusions and other defects. 5. This GL 01 fluid is packed and will be supplied in an glass vial and contains 3ml of solution. Specification: Condition: 100percent Brand New Item Type: Oil Material: Glass + Liquid Volume: 3ML Weight: Approx. 50g Package list: 2 Bottles Refractive Index Fluid Oil .