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Aprašymas
Explains in non-technical terms how to use the refractometer to identify diamonds and colored gems, and how to separate natural gems from imitations, treated gemstones, synthetics and look-alikes. The approach is direct and practical, and its style is easy to understand. With this highly accessible guide booklet, anyone can begin to master gem identification using the refractometer.
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Mažiausia kaina per 30 dienų: 5,59 €
Mažiausia kaina užfiksuota: Kaina nesikeitė
Atsiliepimai