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Refractometers Made Easy
Antoinette Matlins
其他書名
The "RIGHT-WAY" Guide to Using Gem Identification Tools
出版Turner Publishing Company, 2013-03-07
主題Antiques & Collectibles / JewelryAntiques & Collectibles / Care & Restoration
ISBN09437639839780943763989
URLhttp://books.google.com.hk/books?id=2n_uEAAAQBAJ&hl=&source=gbs_api
EBookSAMPLE
註釋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.