Häftad, Engelska, 2014
Refractometers Made Easy
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Beskrivning
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.
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: 9780990415237
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