Dichroscopes Made Easy: The "RIGHT-WAY" Guide to Using Gem Identification Tools

Explains in non-technical terms how to use the dichroscope to identify 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 dichroscope.

© 2013 GemStone Press (كتاب ): 9780943763965

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كتاب : ٢٩ أغسطس ٢٠١٣