Häftad, Engelska, 2014
Ultraviolet Lamps Made Easy
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Beskrivning
Explains in non-technical terms how to use the ultraviolet lamp 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 ultraviolet lamp.
Produktinformation
- Utgivningsdatum: 2014-07-31
- Mått: 152 x 228 x 2 mm
- Vikt: 55 g
- Format: Häftad
- Språk: Engelska
- Antal sidor: 26
- Förlag: Gemstone Press
- ISBN: 9780990415244
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