Gemological Gem Refractometer with LED Monochromatic Light source Gemstone
$71.91
\"Specifications:
Measuring Range: 1.30 – 1.81 RI
Minimum Graduation Value: 0.01 RI
Dimension: 30 x 70 x 130mm
Weight: 600g
Set Includes:
1 x Gem Refractometer
1 x Polarizing Filter
1 x 1.5V AAA Battery
1 x Storage Box
1 x Refractometer Index Reference List (For 77 common gemstones, i.e. Calcite, Jadeite, Quartz etc.)
1 x Quick Start Guide\"
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