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Anglický jazyk
Refractometers Made Easy
Autor: Antoinette Matlins
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... Viac o knihe
Na objednávku
6.18 €
bežná cena: 6.50 €
O knihe
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.
- Vydavateľstvo: GemStone Press
- Rok vydania: 2014
- Formát: Paperback
- Rozmer: 229 x 152 mm
- Jazyk: Anglický jazyk
- ISBN: 9780990415237
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