- High Accuracy: This professional gem tester is expertly designed for gemologists, enabling swift and precise identification of single and double refracting gemstones. With a measurement range of 1.30 to 1.81, it accommodates a broad spectrum of identification needs. - Measuring Technique: To determine whether a gemstone is uni-axial or biaxial, simply place drops of refractive oil on the prism's surface using a thin glass bar. This method ensures accurate judgment of photopositive or photonegative characteristics. - Efficient Refractometer: Quickly identify diamonds, moissanites, and colored gemstones with this advanced diamond tester. It enhances the efficiency of gemstone identification in packages, delivering consistent and reliable results every time. - Stable Performance: The jewelry refractometer features a clear display for easy readability, allowing for use in various environments. Its integrated light source and digital scale ensure optimal performance and clarity in readings. - Practical Applications: - Ideal for gemologists conducting field assessments or laboratory evaluations. - Essential for jewelers needing to verify gemstone authenticity quickly and accurately. - Valuable for gemstone dealers managing large inventories, streamlining the identification process to save time. - Key Attributes: - Function: Identifies single and double refracting gemstones - Compatibility: Suitable for diamonds, moissanites, and various colored gemstones - Size: Compact and easy to handle - Material: Durable construction for long-lasting use - Performance: Reliable and consistent results with each use This gem tester is an indispensable tool for professionals in the gemstone industry, ensuring accuracy and efficiency in every identification task.