Gem Refractometer for Gemstone Testing Tool and For Refractive Index Measurement, Portable Jewelry Inspection Device with Birefringence Detection, .30-.81RI Range(B)

Product description Features:* and *Made of - materials, sturdy and *Various gemstones can be determined based on their refractive index, because different gemstones have fixed refractive indexes.*In addition, birefringence can be measured.*This parameter can be used to determine whether a gemstone is a uniaxial or biaxial for crystal.*This gemstone refractometer is small and lightweight. Unique design, extremely low power consumption and easy to carry.*Easy to carry and very popular in the jewelry industry.*Tested to strict quality and safety standards for long, trouble-free service life.*-, high- for measurement results. Specification:*Name: Gem Refractometer*Colour: Black*Measurement range: 1.30~1.81RI.*Minimum graduation value: 0.01RI.*Size: 30*70*130mm.*Application scope: pendants, bracelets, gemstones*Model：A(1X Gem Refractometer+flashlight+refractive oil)，B（1Xflashlight） Package Included:1X Gem Refractometer.1X flashlight1X refractive oilor1*flashlight Manufacturer Contact Information no

• 【Gem Refractometer】This gemstone refractometer is made of materials, ensuring its sturdiness and durability. It is designed to determine various gemstones based on their refractive index, as different gemstones have fixed refractive indexes. Additionally, it can measure birefringence, providing insights into whether a gemstone is a uniaxial or biaxial .
• 【Compact and lightweight】With its small and lightweight design, this gemstone refractometer is easy to carry and highly popular in the jewelry industry. It features a unique design, extremely low power consumption, and is convenient to bring along.
• 【High precision measurement】Tested to strict QUALITYs and safety standards, this refractometer delivers and high-precision measurement results. It ensures accurate and reliable readings for gemstone identification.
• 【Wide application】This gem refractometer is suitable for use in various scenarios, including pendants, bracelets, and gemstones. Its versatility makes it a valuable tool for gemstone enthusiasts and professionals in the jewelry industry.
• 【Package inclusion】The package includes 1X Gem Refractometer, ensuring that you have all the necessary tools for accurate gemstone identification. It also comes with a flashlight and refractive oil, offering added convenience and functionality.