Identification of Gemstones pdf epub mobi txt 电子书下载 2024

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O'Donoghue, Michael/ Joyner, Louise

Butterworth-Heinemann

2002-12

328

$ 86.95

Pap

9780750655125

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发表于2024-11-13

Identification of Gemstones epub 下载 mobi 下载 pdf 下载 txt 电子书下载 2024

Identification of Gemstones pdf epub mobi txt 电子书下载 2024

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A comprehensive reference guide to gem and ornamental materials, this book deals with each gem species, outlining all the features a gem tester has to know before making an identification. The experienced author team describe not only each natural gem species, but also their synthetic counterparts, and the materials used as imitations, demonstrating how to avoid potentially costly mistakes. End of chapter summaries, details of further reading, and the companion web site combine to provide all the support needed by professional gemmologists, antique and gemstone dealers, jewellers and students. It helps you learn how to put the theory of identification into practice with this accessible guide. It contains 60 full colour photographs to illustrate identifying features. The chapter summaries and companion website support provide easy understanding and reference.

Identification of Gemstones 下载 mobi epub pdf txt 电子书