Gemstone Weight Handbook

This 400-page handbook gives you all of the formulas and tables necessary to help you learn to confidently and accurately estimate the weights of all mounted gemstones. You could save its cost the first time that you use it. Charles I. Carmona, G.G., is a working gemologist/appraiser, who over decades of experience has compiled this guide to estimating the weights of all shapes and varieties of mounted gemstones.

Stock No. 621.060

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