This is an ideal travel lab for labratory testing,it including:
1.Gem refractometer (including 2ML Refractive index Liquid and batteris)
2.Portable Polariscope
3.Handheld Spectroscope
4.Calcite Dichroscope
5.Gem Loupe
6.Chelsea Filter
7.Diamond selector
8.Gem Tweezer
9.Ultraviolet LED Lamp
10.Heart&Arrow Scope