LEM-1A

172.00 € Retail price SKU: 79708701 Category: Gem testing

Optical refractometer

One of the fastest and most effective tool for gemstones identification, used to measure the gem’s refractive index. Thanks to the polarizing filter, it’s also possible to verify if the gemstone is birefringent. Advanced refractometry techniques allow to determine the optical axis number of a birefringent gemstone, and its optical sign as well. Use of a contact liquid required.

Features:

cost effective item
versatile tool for fieldwork
protective case
flashlight included