Gemstone Refractometer 1.30–1.73 RI – Jewelry & Gem Testing Tool

Identify and examine gemstones with this Gemstone Refractometer, designed for measuring the refractive index (RI) of gemstones and other solid materials.

With a compact design, built-in LED illumination, and a 1.30–1.73 RI measurement range, this tool is convenient for gemstone and jewelry testing applications.

⭐ Key Features

Gemstone RI Testing

• Designed to measure the refractive index of gemstones and solid materials.

• Measurement range: 1.30–1.73 RI

• Accuracy: ±0.002 RI

Gemstone Identification

• Suitable for examining gemstones with different refractive index characteristics.

• Designed to assist with identifying single and double refractive materials.

LED Illumination

• Includes an LED light source for convenient viewing during testing.

• Powered by an AA battery.

Refractive Oil Included

• Includes 3ml refractive oil.

• Oil refractive index: 1.78.

Compact & Portable

• Lightweight design makes it convenient to carry and store.

• Suitable for workshops, jewelry workspaces, and gemstone examination.

️ Simple Operation

• Designed for straightforward handling and convenient gemstone testing.

Suitable For

This refractometer can be useful for:

Gemstone examination
Jewelry-related applications
Refractive index testing
Solid material testing
️ Gemstone workshops and workspaces
Gemology learning and practical examination

Package Contents

1 × Gemstone Refractometer
1 × LED Flashlight
1 × 3ml Refractive Oil (RI 1.78)

ℹ️ Important Notes

Refractive index readings can depend on the testing method, gemstone surface, calibration, lighting, and other conditions. Use the instrument according to the manufacturer's instructions.