Portable Gemstone Refractometer Tool with Flashlight - B Variation for Jewelers & Hobbyists

• [All-in-One Gemstone Analysis Kit] Get everything you need for immediate, professional testing. This comprehensive kit includes 1 x Gem Refractometer, 1 x Flashlight, and 1 x Bottle of Refractive Index Oil. No need for separate, expensive accessory purchases—ready to use right out of the box!
• [Precise 1.30-1.81 RI Measurement] Accurately assess and identify a variety of precious gemstones. Featuring a highly calibrated optical , it delivers detailed refractive index measurements ranging from 1.30 to 1.81 RI, allowing you to instantly distinguish gems from synthetics or glass.
• [Ultra-Portable & Pocket-Sized] Measuring just 1.2" x 2.7" x 5.1" (30 x 70 x 130mm) and incredibly lightweight, this compact tester is designed for mobility. It fits effortlessly into your pocket or tech bag, making it perfect for trade shows, auctions, jewelry markets, and on-site field evaluations.
• [User-Friendly for Pros & Beginners] Engineered with intuitive in mind. Whether you are a novice hobbyist learning gemstone identification or a seasoned, certified jeweler conducting appraisals, this straightforward optical tool delivers clear readings every single time.
• [Practical Testing Tip & Disclaimer] To maximum accuracy, apply a tiny drop of the included refractive oil to the before placing your gemstone. Reminder: Wipe the optical gently with a soft cloth after each evaluation, and always double-check your specific measurement criteria for rare or high-RI stones.

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 for scope: pendants, bracelets, gemstones

*Model：A(1X Gem Refractometer+flashlight+refractive oil)，B（1Xflashlight）

Package Included:
1X Gem Refractometer.
1X flashlight
1X refractive oil

or

1*flashlight