This type of Gem kit special for the Jade testing,regular test instruments including:
1.Gem refractometer (including 2ML Refractive index Liquid and batteris)
2.Portable Polariscope
3.Handheld Spectroscope
4.Gem Loupe
5.Chelsea Filter
6.Gem Tweezer
7.Jade compact Torch
8.Hardness pencil
It is convenient to carry,especially for the travelers