Gem Master Refractive Index Fluid 1.79 – Refractometer Contact Liquid 5ml

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Gem Master Refractive Index Fluid 1.79 is a professional optical contact liquid designed for use with gemological refractometers. With a refractive index of nD 1.79, it enables acc urate measurement and analysis of the optical properties of gemstones, making it suitable for professional gemstone identification, testing and gemmological education. The advanced formulation is designed for reduced vapour emissions and good long-term stability. Supplied in a protective amber glass bottle, the liquid is shielded from light and can be applied economically one drop at a time. Ideal for professional gemologists, jewellers, gemstone dealers, laboratories and gemmology students. Key Features Refractive Index: nD 1.79 Professional fluid for gemological refractometers Supports accurate gemstone refractive index measurement Suitable for gemstone testing and identification Reduced vapour formulation Stable composition for long service life Amber glass bottle helps protect contents from light Secure cap helps minimize spills Economical drop-by-drop application Volume: 5 ml Specifications Brand: Gem Master Product: Refractometer Contact Liquid Refractive Index: nD 1.79 Volume: 5 ml Bottle: Amber glass Application: One drop per use Use: Gemstone refractive index measurement Suitable For: Gemological refractometers Application Area: Professional and educational gemmology Applications Suitable for use with refractometers in professional gemological laboratories, jewellery workshops and educational environments. It can assist in analysing gemstones for identification, examination and grading work. For gemstones requiring measurement above an RI of 1.79, use a suitable higher-index contact liquid such as Gem Master RI Fluid 1.81. Important Safety Information This is a professional-use chemical product. Use only in a well-ventilated area and follow the manufacturer's supplied safety and handling instructions. Keep out of reach of children, keep the bottle securely closed after use, and store in a cool, dark place. Show more