Cuprins
Contents
List of Tables • xi
List of Color Plates • xii
Preface to the Fourth Edition • xiii
Acknowledgments • xvii
Introduction by Anna M. Miller • xix
Part 1
Before Beginning
1. Before Beginning • 3
Part 2
Getting Ready
2. Setting Up the Lab • 13
3. Proper Lighting for Gem Identification • 37
PART 3
The Essential Instruments—What They Are and How to Use Them
4. The Loupe and Dark-Field Loupe • 49
5. The Chelsea Filter and Synthetic Emerald Filter • 77
6. The Dichroscope • 93
7. The Ultraviolet Lamp • 111
8. The Refractometer • 131
9. The Microscope • 149
Part 4
Optional Instruments—When and How to Use Them
10. The Spectroscope • 175
11. The Polariscope • 189
12. The Diamond-Type Spotter and Blue Diamond Tester—
Essential Tools for Diamond Buyers • 195
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13. The Immersion Cell • 215
14. The Electronic Diamond Tester • 227
15. The Carbide Scriber—An Essential Tool
for Diamond Buyers • 235
16. The ‘Synthetic Diamond Detectors’ • 241
Part 5
Antique and Estate Jewelry
17. Antique and Estate Jewelry—
The True Test of Gem Identification Skill • 249
18. A New Type of Composite Imitation • 289
Part 6
Appendices
Gemstone Property Tables • 307
Glossary • 317
Recommended Reading • 325
Where to Go for Additional Gemological Training • 331
International List of Gem Testing Laboratories
and Gemologists • 344
International List of Associations • 361
Selected List of Gem Identification Equipment Suppliers
in the United States and Canada • 368
Inde x • 371