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Material World: The Six Raw...
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Rocks & Minerals of...
Dan R Lynch,
Bob Lynch
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Michigan Rocks & Minerals: A...
Dan R Lynch,
Bob Lynch
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A Field Guide to Rocks and...
Frederick H. Pough
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Gemstone Tumbling, Cutting,...
Jim Magnuson
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The Firefly Guide to Minerals...
Rupert Hochleitner
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Rocks and Minerals
Chris Pellant
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Rockhounding for Beginners:...
Lars W Johnson,
Stephen M Voynick
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Great Lakes Rocks: 4 Billion...
Stephen E Kesler
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The Smithsonian National Gem...
Dr. Jeffrey Edward Post
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Agate Hunting Made Easy
Jim Magnuson,
Carol Wood (Photographer)
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Chris Pellant
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Mount Etna: The Anatomy of a...
David K Chester
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Rocks, Gems and Minerals: A...
Paul R Shaffer,
Herbert S Zim
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Agates: Treasures of the Earth
Roger Pabian
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Collecting Fluorescent...
Stuart Schneider
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Calcite: The Mineral with the...
Reinhard Balzer
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Gemstones
Cally Hall
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Reservoir Model Design: A...
Philip Ringrose,
Mark Bentley
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Mineral Resource Estimation
Mario E Rossi,
Professor Clayton V Deutsch
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The Mines and Minerals of...
Ronald A Sloto
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Pearl: Nature's Perfect Gem
Fiona Lindsay Shen
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Southeast Treasure Hunter's...
Kathy J. Rygle
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