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Exotic Gems: Volume 4 -- How to Identify, Evaluate & Select Jade & Abalone Pearls [Pehme köide]

  • Formaat: Paperback / softback, 136 pages, kõrgus x laius: 230x155 mm, kaal: 328 g, Illustrations
  • Ilmumisaeg: 16-Feb-2016
  • Kirjastus: International Jewelry Publications,U.S.
  • ISBN-10: 0929975502
  • ISBN-13: 9780929975504
  • Formaat: Paperback / softback, 136 pages, kõrgus x laius: 230x155 mm, kaal: 328 g, Illustrations
  • Ilmumisaeg: 16-Feb-2016
  • Kirjastus: International Jewelry Publications,U.S.
  • ISBN-10: 0929975502
  • ISBN-13: 9780929975504
With a focus primarily on jade, this color-illustrated reference explains how to identify, evaluate quality, buy, clean, and care for jade and abalone. Coverage encompasses jadeite and nephrite jade. Of special interest are guidelines on jade imitations and detecting treated jade. Most of the book is organized by geographic areas, with chapters on Chinese jade, Burmese jadeite, Guatemalan jade, Canadian jade, US jade from Alaska, California, and Wyoming, and jade from other countries as well. The book contains just one chapter on abalone pearls from various parts of the world. Color photos throughout illustrate gemstones and jewelry. Annotation ©2016 Ringgold, Inc., Portland, OR (protoview.com)

A full color guide to identifying, evaluating, selecting, testing, and caring for jade and abalone pearls.

Exotic Gems, Volume 4 is the fourth in a series of books that explores the history, lore, properties, qualities and geographic sources of unusual gems. The book shows you with photos how to make visual judgments about the quality of jade and abalone pearls, and it explains how treatments affect the value of jade. It includes chapters on jade from China, Burma, Guatemala, Canada, the US, and Russia. The guide also provides information on caring for the gems, distinguishing between jadeite and nephrite, cutting jade, culturing abalone mabe pearls and detecting imitations and gem treatments. Both basic and advanced identification techniques and instrumentation are explained and illustrated. The gems are shown not only loose but also in jewelry and under magnification. If you’re interested in jade or abalone pearls, the book can provide you with jewelry design ideas and in-depth information that will help you be a smart buyer and seller. Written in a succinct and user-friendly style, Exotic Gems: Volume 4 is an ideal reference for jewelers, sales associates, appraisers, gem collectors, gemology students, designers, gem dealers and consumers.
Acknowledgments 7(2)
1 Why is Jade so Prized?
9(4)
What Makes Jade Special?
9(4)
2 What is Jade?
13(5)
Is the Omphacite/Kosmochlor Jade Issue Relevant?
17(1)
Caring for Jade
17(1)
3 Jadeite or Nephrite Jade?
18(12)
Jadeite and Nephrite Jade Localities
22(1)
Basic Gemological Tools for Identifying Jade
23(2)
Advanced Gem Instruments for Identifying Jade
25(5)
4 Imitation or Real Jade?
30(13)
Jade Imitations and Look-a-likes
30(11)
Clues Lay People Can Use to Help Detect Fake Jade
41(2)
5 Treated or Untreated?
43(13)
Jade Treatments
43(4)
Clues Lay People Can Use to Help Detect Treated Jade
47(3)
Advanced Tools for Detecting Jade Treatments
50(6)
6 Jadeite & Nephrite Price Factors
56(15)
Price Factors for Jadeite Jewelry
56(1)
Jadeite Price Factors Explained
57(10)
Transparency
57(2)
Color
59(3)
Clarity (Purity)
62(1)
Cutting Style & Shape
62(1)
Cut Quality (Craftsmanship)
63(1)
Carat Weight & Size
63(1)
Some Jade Jewelry Auction Sales by Bonhams
64(3)
Treatment Status
67(1)
Texture
67(1)
Nephrite Price Factors
67(4)
7 Chinese Jade
71(7)
Jade from China
71(2)
Chinese Jade Trade
73(5)
8 Burmese Jadeite
78(7)
A Brief History of Burmese Jadeite
84(1)
9 Guatemalan Jade
85(6)
10 Canadian Jade
91(9)
How a Master Carver Carves Canadian Jade
95(4)
A Brief History of Canadian Jade
99(1)
11 USA Jade
100(10)
Alaska Jade
100(1)
California Jade
101(3)
Wyoming Jade
104(4)
How a Master Carver Carves Wyoming Black Jade
108(1)
A Word from a Master Carver about Wyoming Black Jade
109(1)
12 Jade from Other Sources
110(7)
Russian Jade
110(2)
New Zealand Jade
112(1)
Australian Jade
113(1)
South Korea Jade
114(1)
Swiss Jade
115(1)
Taiwanese Jade
115(1)
Turkish Jade
116(1)
13 Abalone Pearls
117(14)
How a Cornucopia Pearl Brought Overflowing Abundance
118(2)
North American Abalone Pearls
120(2)
New Zealand Paua Pearls
122(1)
Paua (Abalone) M abe Pearl Cultivation
123(1)
Identifying Characteristics of Abalone Pearls
124(3)
Abalone Pearl Price Factors
127(3)
Caring for Abalone Pearls
130(1)
Bibliography 131(3)
Index 134