Knygos.lt nariams
Knygos.lt nariams
- Išsiųsime per 12–18 d.d.
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- Autorius: Antoinette Matlins
- Leidėjas: GemStone Press
- Puslapiai: 57
- ISBN-10: 0990415228
- ISBN-13: 9780990415220
- Formatas: 15.2 x 22.9 x 0.2 cm, minkšti viršeliai
- Kalba: Anglų
Atsiliepimai
Aprašymas
Explains in non-technical terms how to use the loupe and dark-field loupe 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 loupe and dark-field loupe.
- Autorius: Antoinette Matlins
- Leidėjas: GemStone Press
- Puslapiai: 57
- ISBN-10: 0990415228
- ISBN-13: 9780990415220
- Formatas: 15.2 x 22.9 x 0.2 cm, minkšti viršeliai
- Kalba: Anglų
Explains in non-technical terms how to use the loupe and dark-field loupe 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 loupe and dark-field loupe.
Atsiliepimai