Gemstone & Crystal Properties
Jennifer Billock
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Gemstones of the World
Walter Schumann
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National Audubon Society...
National Audubon Society
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The Illustrated Guide to...
John Farndon
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A Peterson Field Guide To...
Frederick H. Pough
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My Book of Fossils: A fact...
DK,
Dean R Lomax
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Rocks and Minerals
Chris Pellant
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The World in a Grain: The...
Vince Beiser
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Earth Treasures, Vol. 2:...
Allan W Eckert
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Precious: The History and...
Helen Molesworth
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Rockhounding New England
Peter Cristofono
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Gemstones
Cally Hall
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Exotic Gems: Volume 1 -- How...
Ren?e Newman
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Fossils
David Ward
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Notes from Deep Time: A...
Helen Gordon
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The Natural History Book: The...
DK
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The Trilobite Book: A Visual...
Riccardo Levi-Setti
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Minerals and Gemstones: 300...
Dr. David C. Cook,
Dr. Wendy L. Kirk
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Jewels: A Secret History
Victoria Finlay
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Collecting Fluorescent...
Stuart Schneider
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A Grain of Sand: Nature's...
Gary Greenberg (Photographer),
Stacy Keach (Foreword by)
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A Field Guide to Rocks and...
Frederick H. Pough
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Dinosaurs and other...
DK,
Smithsonian Institution (Contributions by)
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Rockhounding Oregon: A Guide...
Lars W. Johnson
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