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Explains in non-technical terms how to use the Chelsea filter and synthetic emerald filter 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 Chelsea filter and synthetic emerald filter.
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.
Explains in non-technical terms how to use the ultraviolet lamp 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 ultraviolet lamp.
Explains in non-technical terms how to use the SSEF Diamond-Type Spotter and SSEF Blue Diamond Tester to identify diamonds, and how to separate natural diamonds from imitations, treated diamonds, 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 SSEF Diamond-Type Spotter and SSEF Blue Diamond Tester.
Abonner på vårt nyhetsbrev og få rabatter og inspirasjon til din neste leseopplevelse.
Ved å abonnere godtar du vår personvernerklæring.