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Newly updated and expanded,COLORED GEMSTONES gives you all theinformation you need to buy, collect, sell―or simply enjoy―sapphires, emeralds, rubi...
View full detailsGem Identification Made Easy is the first and only book that explains in non-technical terms how to identify diamonds and colored gems, and how to...
View full detailsNewly Updated and Expanded Critical and up-to-the-minute information for the novice, advanced collector, jewelry dealer, curator and appraiser―for...
View full detailsExplains in non-technical terms how to use the refractometer to identify diamonds and colored gems, and how to separate natural gems from imitat...
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