416.00 Retail price SKU: 79708703 Category:

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 axes number of a birefringent gemstone, and its optical sign as well. Use of a contact liquid required.

  • table in aluminium alloy
  • high accuracy: 0.003 nD
  • powerful and versatile tool for fieldwork
  • contact liquid included
  • internal light
  • cubic zirconia prism


Technical specifications 
Scale1.35 - 1.81 nD
Accuracy0.003 nD
Handling weight330 g
Size (W x D x H)35 x 110 x 70 mm


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