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Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
Field of view: nearly 2 newspaper columns X 15 lines of text
BASIC OPERATION: Rest the flat polished surface of the stone on the test plate
fine repair jobs
this is something that is very easy for you to do yourself with 3Kg of weights
Refractometer Discounts apply Field of view: nearly 2Summary For the gemmologist the refractometer is the most important gem tester after a loupe. It measures refractive index (to what extent light is bent as it passes through the gemstone). This product is intended for gemmologists (or those about to study gemmology) instructions are not included. Guarantee: 1 year. Detail Approx. 5 X 3 X 2 inches Built in monochromatic LED light Range: 1. 30 to 1. 81 Possible error in readings: + 0. 01 Test plate made
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