Refractometers Made Easy

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Author: Antoinette Matlins PG, FGAISBN: 9780990415237Publisher: Greystone BooksYear first published: 17 Jun 2014Pages: 26 Format: Paperback / softbackExplains in non-technical term s 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. Show more