The Gemstone Refractometer with Refractive Index Oil Kit is a professional gemological testing set designed for accurate identification and analysis of gemstones. It is widely used by jewelry laboratories, gemologists, gemstone traders, appraisal centers, and educational institutions for reliable optical property evaluation.

This system combines a high-precision gemstone refractometer with specially formulated refractive index oil, enabling users to determine the refractive index of various gemstones quickly and accurately. It helps distinguish natural stones, synthetic materials, and imitations, providing essential data for gemstone grading and authentication.

The refractometer features a clear optical scale and stable measurement base, ensuring precise readings with minimal error. The included refractive index oil enhances contact accuracy between the gemstone and prism surface, improving measurement reliability and consistency.

Compact and easy to operate, this kit is suitable for both professional laboratory environments and field inspections. It supports fast testing with minimal sample preparation. The Gemstone Refractometer with Oil Kit is an essential tool for ensuring gemstone authenticity, quality control, and professional appraisal accuracy in the jewelry industry.