Designed for beginners and experienced collectors alike, these field guides make identification of individual specimens sure, simple and straightforward. Each entry has a full color illustration as well as color-coded bands that provide at-a-glance facts for quick reference. Easy to use and beautiful to look at, this series is an invaluable resource for every collector.
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Hall's volume is truly a gem among numerous books on gems. Its outstanding features include superb choice and quality of more than 800 photographs, organization and coverage of the entire subject of gemology through human history, and information and format style with authority and excitement for the subject. A concise photo-encyclopedic approach to more than 130 gem varieties highlights the ease of using this book. Contents include how gemstones form, crystal and optical properties, mining and processing, history and folklore, synthetics, precious metals, cut stones, organics, table of gem properties, glossary, and index. The book is eminently useful as a field guide to gem occurrences, as a guide to specimen identification, and as a source of critical information on each specific gem type. The amateur and professional alike will welcome this book. All levels.
From: Syndetics Solutions, Inc.
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Cally Hall is a fellow of the Gemological Association and Gem Testing Laboratory of Great Britain. She has contributed to several books on gemmology, mineralogy, geology, and earth science. A member of the curatorial team at London's Natural History Museum, she spends her days identifying minerals and gemstones and lecturing. She specializes in the study of colored gemstones
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|
Introduction |
6 |
|
Author's Introduction |
6 |
|
How this Book Works |
9 |
|
What are Gemstones? |
10 |
|
How Gemstones are Formed |
12 |
|
Where Gemstones are Found |
14 |
|
Physical Properties |
16 |
|
Crystal Shapes |
18 |
|
Optical Properties |
20 |
|
Natural Inclusions |
24 |
|
Faceting |
26 |
|
Polishing, Carving, and Engraving |
28 |
|
Gems Through the Ages |
30 |
|
History and Folklore |
32 |
|
Synthetic Gemstones |
34 |
|
Imitation and Enhancement |
36 |
|
Color Key |
38 |
|
Precious Metals |
48 |
|
Cut Stones |
54 |
|
Organics |
138 |
|
Table of Properties |
150 |
|
Glossary |
156 |
|
Index |
158 |
|
Useful Addresses |
160 |
|
Acknowledgments |
160 |
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