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Refractometers Made Easy Antoinette Matlins
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.
| 介质类型 | 图书 Hardcover Book (精装硬皮书) |
| 已发行 | 2014年6月17日 |
| ISBN13 | 9781683365716 |
| 出版商 | Gemstone Press |
| 页数 | 26 |
| 商品尺寸 | 150 × 220 × 20 mm · 182 g (预估重量) |
| 语言 | 英语 |
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