Ruby, Sapphire and Emerald Buying Guide : How to Evaluate, Identify, Select and Care for These Gemstones,9780929975337

Ruby, Sapphire and Emerald Buying Guide : How to Evaluate, Identify, Select and Care for These Gemstones

by
Edition: 2nd
ISBN13: 9780929975337
ISBN10: 0929975332
Format: Paperback
Pub. Date: 2002-03-01
Publisher(s): Intl Jewelry Pubns
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Summary

These highly informative guides by Renee Newman are an indispensible aid to anyone interested in being a "savvy" buyer of gems and jewelry. A comprehensive mix of technical and practical information, illustrated in full-color and sharp B/W photos. These books show how to evaluate and distinguish the genuine from the imitation.

Table of Contents

Acknowledgements 7(1)
Suppliers of Jewelry & Stones for Photographs 8(3)
Why Read a Whole Book Just to Buy a Gemstone?
11(4)
What This Book is not
13(1)
What This Book is
14(1)
How to Use this Book
14(1)
Curious Facts About Emeralds, Rubies & Sapphires
15(4)
An Informal, Non-Conventional Message from the Ruby & Sapphire Family
16(3)
Carat Weight
19(6)
Effect of Carat Weight on Price
20(1)
Size Versus Carat Weight
21(1)
Estimating Carat Weight
21(4)
Shape & Cutting Style
25(14)
Gemstone Terms Defined
27(1)
Cutting Styles
27(9)
How Shape & Cutting Style Affect Price
36(3)
Judging Ruby Color
39(12)
Evaluating Ruby Color
41(3)
How to Examine Color
44(1)
How Lighting Affects Ruby Color
45(1)
Ruby or Pink Sapphire?
46(1)
Describing Rubies by Place of Origin
47(2)
Grading Color in Rubies Versus Diamonds
49(2)
Judging Emerald Color
51(6)
Emerald or Green Beryl?
54(3)
Judging Sapphire Colors
57(8)
Blue Sapphires
57(1)
Fancy Sapphire
58(3)
Describing Sapphires by Place of Origin
61(4)
Judging Clarity & Transparency
65(20)
Internal Clarity Features in Natural Ruby, Sapphire and Emerald
67(5)
Surface Blemishes
72(1)
Colored Stone Clarity Grading Systems
73(3)
Tips on Judging Clarity and Transparency
76(3)
How Lighting Can Affect Your Perception of Clarity
79(2)
Do We Need Grades to Evaluate Clarity and Transparency?
81(2)
How Trade Opinions of Clarity and Transparency Can Differ
83(2)
Judging Cut
85(8)
Judging the Face-up View?
85(2)
Judging the Profile
87(5)
How Cut Affects Price
92(1)
Ruby & Sapphire Treatments
93(8)
Heat Treatment (Thermal Enhancement)
94(2)
Surface Diffusion
96(1)
Irradiation
96(1)
Oiling and Dyeing
97(1)
Surface and Fracture Filling (Fracture Healing)
98(3)
Emerald Treatments
101(10)
Detecting and Identifying Emerald Fillings
102(2)
What Salespeople Should Be Able to Tell You about Emerald Treatments
104(1)
Tips on Selecting a $200, $2,000, and $20,000 Emerald Solitaire Ring
105(4)
Choosing a Competent Appraiser
109(2)
Imitation or Real?
111(14)
Tests a Lay Person Can Do
111(6)
Other Ways of Identifying Rubies, Sapphire & Emeralds
117(2)
Deceptive Practices
119(1)
Composite Stones (Assembled Stones)
120(2)
Misnomers
122(1)
Avoiding Gem Scams
123(2)
Synthetic or Natural?
125(10)
Types of Synthetic Emerald
125(1)
Types of Synthetic Ruby and Sapphire
126(1)
Synthetic Versus Natural
127(1)
Tests for Detecting Synthetic Ruby and Sapphire
128(2)
Tests for Detecting Synthetic Emerald
130(3)
Other Tests for Detecting Synthetic Emerald, Ruby and Sapphire
133(2)
Star Rubies & Sapphires
135(8)
Judging Quality
137(2)
Genuine and Natural or Not?
139(4)
Caring for Your Ruby, Sapphire & Emerald Jewelry
143(4)
Cleaning and Care Tips
144(1)
Options for People Who Want an Emerald Engagement Ring
145(1)
Chapter 15 Quiz
146(1)
Finding a Good Buy
147(4)
Appendix 151(9)
Chemical, Physical & Optical Properties of Rubies and Sapphires
151(2)
Synthetic Corundum Types (Key Separations)
153(1)
Places of Origin and Some Corresponding Properties & Inclusions
154(2)
Chemical, Physical & Optical Characteristics of Emeralds
156(2)
Typical Inclusions in Natural Emerald
158(1)
Typical Inclusions in Synthetic Emerald
158(2)
Bibliography 160(3)
Index 163

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