The refractometer is one of the most important tools in a gemological laboratory. It indicates the refraction index of a gemstone, which often gives vital clues to the identity of a gemstone. Refractometer Fable brand with.

1. Scale rang: 1.35-1.85;

2. Accuracy: 0.003;

3. Weight: 1 kg;

4. Table: Aluminum alloy;

5. Two ways of power supply: 2x AAA batteries and 3V DC;

6. Durable CZ testing Prism;

7. Built-in Monochromatic LED light;

8. Large visual field and easy to read.

9. Package: Color box Package.

Accessories:

1. 2ml refringent oil;

2. power adapter;

3. Polaroid.