External Monochromatic Yellow Light Gem Refractometer, + 1.80 RI Oil, Gemological. GIA TOOLS -

External Monochromatic Yellow Light Gem Refractometer,   1.80 RI Oil, Gemological. GIA TOOLS -
External Monochromatic Yellow Light Gem Refractometer, 1.80 RI Oil, Gemological. GIA TOOLS – Detail
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External Monochromatic Yellow Light Gem Refractometer, 1.80 RI Oil, Gemological. GIA TOOLS – Description

Measuring Range: 1.30 – 1.81 RI Minimum Graduation (RI): 0.01 RI Illumination: Internal illumination with momentary switch Size: 30mm x 70mm x 130mm Scale Division: 0.01 nD Weight: 0.4 kg Ranges of Application: Laboratory, Gemology Filter: Polarizing filter Made of durable heavy metal and scratch proof glass This item is commonly known as Gemstone Refractometer, is the primary and most powerful tool in identifying and authenticating polished precious and semiprecious gemstones and…

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Tags: External, Monochromatic, Yellow, Light, Gem, Refractometer,, , 1.80, RI, Oil,, Gemological., GIA, TOOLS, -,
External Monochromatic Yellow Light Gem Refractometer,   1.80 RI Oil, Gemological. GIA TOOLS -

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