Robert Webster
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Books by Robert Webster
Practical Gemmology
$34.90
Gemmologists' Compendium
$23.19 - $30.49
Gems
$34.59
Their Sources, Descriptions and Identification, Fourth Edition
$11.09 - $11.69
Introductory Gemology: A Study of the Identification of Gemstones, Pearls and Ornamental Minerals
Out of Stock
The Gemmologist's Pocket Compendium
$33.99
The Gemmologists' Compendium
Out of Stock
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