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Jade • A Gemologist's Guide
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DIAMONDS Chinese Translation Version (Their History, Sources, Qualities, and Benefits)
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Ruby & Sapphire Buying Guide
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Jade • A Gemologist's Guide
Dominic Mok • Richard Hughes |
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by Renée Newman
(price is including surface registered mail fee in USA, Europe and Asia region) |
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The Heat Treatment of Ruby & Sapphire
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Gem Reference Book Understanding Value
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Total : 10 ( Page(s) : 1 )
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