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Gemstone Buying Guide: How to Evaluate, Identify, Select & Care for Colored Gems 2nd Revised edition [Pehme köide]

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  • Formaat: Paperback / softback, 156 pages, kõrgus x laius: 180x230 mm, kaal: 440 g, colour & b/w photos
  • Ilmumisaeg: 01-Oct-2003
  • Kirjastus: International Jewelry Publications,U.S.
  • ISBN-10: 0929975340
  • ISBN-13: 9780929975344
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Gemstone Buying Guide: How to Evaluate, Identify, Select & Care for Colored Gems 2nd Revised editionSuurem pilt
  • Formaat: Paperback / softback, 156 pages, kõrgus x laius: 180x230 mm, kaal: 440 g, colour & b/w photos
  • Ilmumisaeg: 01-Oct-2003
  • Kirjastus: International Jewelry Publications,U.S.
  • ISBN-10: 0929975340
  • ISBN-13: 9780929975344
Teised raamatud teemal:
Püsilink: https://www.kriso.ee/db/9780929975344.html
Written for both consumers and professionals, this guide gives pointers on how to buy gemstones, with advice on price comparison, quality evaluation, fake stones, gem treatments, and gem cleaning and care. This second edition includes 121 additional color photos, bringing the total of photos to 281. There is also a new section on optical effects. Newman is a gemologist. Annotation (c) Book News, Inc., Portland, OR (booknews.com)
Acknowledgements 7(1)
Colored Gem Price Factors in a Nutshell
8(10)
Price Factors Explained
8(7)
Two Common Beliefs Which Warrant Review
15(1)
Colored Gem Pricing
16(2)
Shape & Cutting Style
18(15)
Gemstone Terms Defined
19(1)
Traditional Cutting Styles
20(4)
Fancy Cuts and Cutting Techniques
24(3)
Carving
27(4)
Drusy Gem Materials
31(2)
Carat Weight
33(3)
Size Versus Carat Weight
33(1)
Effect of Carat Weight on Price
34(1)
Estimating Carat Weight
35(1)
Gemstone Color
36(6)
Evaluating Gemstone Color
37(2)
How to Examine Color
39(1)
How Lighting Affects Gem Color
40(2)
Judging Clarity & Transparency
42(7)
Gemstone Inclusions
43(2)
Gemstone Blemishes
45(1)
Examining Gemstones for Clarity
45(2)
How Lighting Can Affect Your Perception of Clarity
47(1)
Do We Need Grades to Evaluate Clarity and Transparency?
48(1)
Judging Cut Quality
49(7)
Judging the Face-Up View
49(2)
Judging the Profile
51(3)
How Cut Affects Price
54(1)
Judging ``Life''
55(1)
Evaluating Star & Cat's-Eye Stones
56(3)
Treatments
59(4)
Synthetic Stones
63(2)
Synthetic Versus Natural
64(1)
Deceptive Practices
65(3)
Misnomers
67(1)
Gemstone Descriptions
68(74)
Amethyst and Other Quartz Stones
71(4)
Chalcedony
75(5)
Chrysoberyl (Alexandrite, Cat's-eye...)
80(2)
Emerald and Other Beryl Stones
82(4)
Garnet
86(5)
Iolite
91(1)
Jade
92(8)
Lapis Lazuli
100(1)
Malachite
101(1)
Moonstone and Some Other Feldspars
102(2)
Opal
104(8)
Peridot
112(1)
Spodumene
113(1)
Ruby & Sapphire (Corundum)
114(4)
Spinel
118(2)
Tanzanite and Other Zoisites
120(2)
Topaz
122(2)
Tourmaline
124(4)
Turquoise
128(2)
Zircon
130(2)
Ammolite
132(1)
Andalusite, Apatite
133(1)
Azurite, Benitoite
134(1)
Charoite, Calcite
135(1)
Diopsite, Fluorite
136(1)
Hematite, Natural Glass (Obsidian, Moldavite)
137(1)
Larimar, Prehnite, Rhodonite
138(1)
Rhodochrosite, Sugilite
139(1)
Sphene (Titanite), Variscite
140(1)
Test Your Gem IQ
141(1)
Caring for Your Gems
142(4)
Birthstones & Anniversary Stones 146(1)
Suppliers of Jewelry & Stones for Photographs 147(3)
Bibliography 150(3)
Index 153