The Firefly Guide to Minerals...
Rupert Hochleitner
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The Smithsonian National Gem...
Dr. Jeffrey Edward Post
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Rocks & Minerals of...
Dan R Lynch,
Bob Lynch
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Rockhounding for Beginners:...
Lars W Johnson,
Stephen M Voynick
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Gemstone Tumbling, Cutting,...
Jim Magnuson,
Val Carver
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Southeast Treasure Hunter's...
Kathy J. Rygle
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Agate Hunting Made Easy
Jim Magnuson,
Carol Wood (Photographer)
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Rocks and Minerals: An...
Evelyn Mervine
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Reservoir Model Design: A...
Philip Ringrose,
Mark Bentley
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Rocks & Minerals
Chris Pellant,
Smithsonian Institution (Contributions by)
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The Mines and Minerals of...
Ronald A Sloto
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Rocks and Minerals
Chris Pellant,
Helen Pellant
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Collecting Fluorescent...
Stuart Schneider
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Stack Silver Buy Gold For...
Jim Jackson
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The Rare Earth Elements: An...
J H L Voncken
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Prospecting For Gemstones and...
John Sinkankas
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Mineralogy of Arizona, Fourth...
Raymond W Grant,
Ron Gibbs
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Learning about Rocks
Mari Schuh
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Handbooks: Rocks and Minerals...
Chris Pellant
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Microtectonics
Cees W. Passchier,
Rudolph A. J. Trouw
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Rocks and Minerals
Herbert Spencer Zim, Ph.D., SC.D.,
Paul R Shaffer
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Earth Materials: Introduction...
Cornelis Klein,
Anthony Philpotts
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Field Guide to Rocks and...
Frederick H. Pough
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Geodes: Nature's Treasures
Brad L Cross
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FG Rocks Pa
Frederick Pough,
Roger Tory Peterson
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