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Books by Walter Schumann

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Gemstones of the World: Newly Revised Fifth Edition
🇺🇸 United States
Gemstones of the World: Newly Revised Fifth Edition
By: Walter Schumann
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Gemstones of the World
🇫🇷 France
Gemstones of the World
By: Walter Schumann
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Gemstones of the World: Newly Revised Fifth Edition
🇩🇪 Germany
Gemstones of the World: Newly Revised Fifth Edition
By: Walter Schumann
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Gemstones of the World: Newly Revised Fifth Edition
🇬🇧 United Kingdom
Gemstones of the World: Newly Revised Fifth Edition
By: Walter Schumann
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Minerals of the World
🇺🇸 United States
Minerals of the World
By: Walter Schumann
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Gemstones of the World: Newly Revised & Expanded Fourth Edition
🇺🇸 United States
Gemstones of the World: Newly Revised & Expanded Fourth…
By: Walter Schumann
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