Gem Refractometer

A compact professional refractometer for the determination of the refractive index of gemstones.

Gem refractometer with LED illumination, without polarizing filter.

A compact refractometer for the determination of the refractive index of gemstones.
Gem refractometer with polarizing filter, without LED illumination.

Student gem refractometer with polarizing filter, without illumination.

Student gem refractometer with LED illumination, without polarizing filter.