Practical Gemmology
Robert Webster's highly regarded work, Practical Gemmology, first published in 1943, has been through six editions and numerous reprints and was long considered the standard work for those learning the theory and science of gemmology. This classic, on which professional gemmology courses were founded, has been entirely revised by DeeDee Cunningham to return it to its esteemed place among current gemmological education books. Re-written and expanded, this completely updated book includes new material on high-tech treatments and synthetic diamonds as well as instrumentation, theory, testing and gemstone properties. Its nineteen lessons each serve as individual lectures and it pays considerable attention to covering all the background information and theory necessary for understanding every concept central to gemmological theory. Although suitable for readers of all levels of understanding, Practical Gemmology is specifically tailored to provide the information and diagrams necessary for the successful completion of diploma examinations and is an invaluable tool for gemmology students.

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Practical Gemmology
Robert Webster's highly regarded work, Practical Gemmology, first published in 1943, has been through six editions and numerous reprints and was long considered the standard work for those learning the theory and science of gemmology. This classic, on which professional gemmology courses were founded, has been entirely revised by DeeDee Cunningham to return it to its esteemed place among current gemmological education books. Re-written and expanded, this completely updated book includes new material on high-tech treatments and synthetic diamonds as well as instrumentation, theory, testing and gemstone properties. Its nineteen lessons each serve as individual lectures and it pays considerable attention to covering all the background information and theory necessary for understanding every concept central to gemmological theory. Although suitable for readers of all levels of understanding, Practical Gemmology is specifically tailored to provide the information and diagrams necessary for the successful completion of diploma examinations and is an invaluable tool for gemmology students.

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Practical Gemmology

Practical Gemmology

by DeeDee Cunningham
Practical Gemmology

Practical Gemmology

by DeeDee Cunningham

Hardcover

$55.95 
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Overview

Robert Webster's highly regarded work, Practical Gemmology, first published in 1943, has been through six editions and numerous reprints and was long considered the standard work for those learning the theory and science of gemmology. This classic, on which professional gemmology courses were founded, has been entirely revised by DeeDee Cunningham to return it to its esteemed place among current gemmological education books. Re-written and expanded, this completely updated book includes new material on high-tech treatments and synthetic diamonds as well as instrumentation, theory, testing and gemstone properties. Its nineteen lessons each serve as individual lectures and it pays considerable attention to covering all the background information and theory necessary for understanding every concept central to gemmological theory. Although suitable for readers of all levels of understanding, Practical Gemmology is specifically tailored to provide the information and diagrams necessary for the successful completion of diploma examinations and is an invaluable tool for gemmology students.


Product Details

ISBN-13: 9780719804311
Publisher: Crowood Press, The
Publication date: 09/01/2011
Pages: 336
Product dimensions: 6.50(w) x 9.30(h) x 1.20(d)

About the Author

DeeDee Cunningham (FCGmA, FGA, DGA) is holder of professional diamond and gemmology diplomas from Great Britain and Canada. Recipient of multiple distinctions, she was awarded the W. Donald Goodger Prize upon graduation from the Canadian Gemmological Association in 1995. She lives in Toronto and works with her own company.

Table of Contents

Preface 7

Lesspn 1 Introduction 9

Lesson 2 The Chemistry of Gemstones 15

Lesson 3 Crystallography 31

Lesson 4 Hardness, Cleavage, Parting and Fracture 47

Lesson 5 Density and Specific Gravity 59

Lesson 6 Light 73

Lesson 7 Refractive Index and Measurement of Refractive Index 97

Lesson 8 Polarized Light and Colour in Gem Distinction 121

Lesson 9 Luminescence, Electrical and Thermal Properties, X-rays and Magnetism 142

Lesson 10 Loupe and Microscope 159

Lesson 11 Primary Gem Species 170

Lesson 12 Synthetic Gemstones 205

Lesson 13 Simulants 234

Lesson 14 Composite Stones 243

Lesson 15 Gemstone Altering Treatments 251

Lesson 16 Gemstone Cutting and Styles of Cut 267

Lesson 17 The Pearl 283

Lesson 18 Organic Gems 302

Lesson 19 Secondary Gem Species 312

Index 325

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