Gemstones of the World
Walter Schumann
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Dan R Lynch,
Bob Lynch
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Rockhounding for Beginners:...
Lars W Johnson,
Stephen M Voynick
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Southeast Treasure Hunter's...
Kathy J. Rygle
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Gemstone Tumbling, Cutting,...
Jim Magnuson
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The Firefly Guide to Minerals...
Rupert Hochleitner
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The Smithsonian National Gem...
Jeffrey E Post
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Rocks, Gems and Minerals: A...
Paul R Shaffer,
Herbert S Zim
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Dig and Discover Pyrite
Nancy Dickmann
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Georgius Agricola
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Rocks and Minerals
Chris Pellant
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Collecting Fluorescent...
Stuart Schneider
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Minerals of New Mexico.
Stuart Alvord Northrop
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Collector's Guide to the...
Robert J Lauf
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Agate Hunting Made Easy
Jim Magnuson,
Carol Wood (Photographer)
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Thermodynamic Modeling of...
Ian S E Carmichael (Editor),
Hans Eugster (Editor)
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Southeast Treasure Hunter's...
Kathy J Rygle,
Stephen F Pedersen
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Applied Mineralogy of Cement ...
Maarten a T M Broekmans (Editor),
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Gems of the World
Oldershaw
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Rock Pickers Guide to Lake...
Mark Sparky Stensaas,
Rick Kollath (Illustrator)
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Hydrothermal Processes and...
Franco Pirajno,
Peter Cawood (Foreword by)
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Stable Isotope Geochemistry
Jochen Hoefs
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Minerals, Fossils, and...
Neil R Bearce
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Microscopic Identification of...
Eberhardt William Heinrich
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