Presidium Electronic Refractive...

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Helps to identify diamonds, moissanites, and colored gemstones Continual elimination of the possible gemstones through values such as via R.I., Color, Hardness and S.G. Tests on transparent gemstones, with flat polished surface, Ideal for separation of gemstones Speed up on the identification of gemstones in parcel, RI liquid not required Consistent and reliable results every time, Clear …
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$279.00

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