Minimum Graduation (RI) 0.01 RI
Brand Unbranded
Type Gemological (Gemstone) Refractometer
Measuring Range 1.30 ~ 1.81 RI
Color Black
Illumination Internal Light Source with momentary/power switch
Dimension 35mm x 63mm x 115mm
Refractometer Type Handheld Refractometer
Scale Division 0.01 nD
Weight 0.4 kg

Check the listing for details. Gem Refractometer Gemological Gemstone W/LED Light &RI Oil Diamond Detector. Color: Black, Condition: New. Listed at 71.24 USD. Minimum dividing value: 0.01RI. Quick and accurate identification of single biaxial gems. 3x1.5v button battery. (Not including internal ). Easy to carry, very popular in jewelry industry.

$35.62
$71.24