Gem Identification Made Easy, Third Edition: A Hands-On Guide to More Confident Buying & Selling by Antoinette L . Matlins
$24.39
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Gemstones of the World: Newly Revised & Expanded Third Edition by Walter Schumann
$16.47
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The Spectroscope and Gemmology by Basil Anderson
$37.96
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Gemstone Buying Guide, Second Edition: How to Evaluate, Identify, Select & Care for Colored Gems by Renee Newman
$13.57
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Secrets of the Gem Trade: The Connoisseur's Guide to Precious Gemstones by Richard W. Wise
$35.96
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