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Refractometers Made Easy
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 to understand. With this highly accessible guide booklet, anyone can begin to master gem identification using the refractometer.
| Medij | Knjige Hardcover Book (Knjiga s trdim hrbtom in platnicami) |
| Izdano | 17. junija 2014 |
| ISBN13 | 9781683365716 |
| Založniki | Gemstone Press |
| Strani | 26 |
| Dimenzije | 150 × 220 × 20 mm · 182 g (Teža (ocenjena)) |
| Jezik | Angleščina |
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