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This all-in-one guide helps readers learn how to find, identify, and collect Michigan's Petoskey ...

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The playing cards in this beautiful deck feature full-color photographs of 52 agates from the Uni...

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THE SEVEN time-travel adventure series follows a group of kids who are given incredible powers (s...

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The Gem Cutters Handbook is ideal for those who facet or collect colored gemstones. The book feat...

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An acclaimed field guide author and a psychologist take an objective look at crystal healing and ...

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THE SEVEN time-travel adventure series follows a group of kids who are given incredible powers (s...

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Focusing on rocks and minerals of California, Oregon, and Washington's Pacific Coast, this tabbed...

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This all-in-one guide helps readers learn how to find, identify, and collect Michigan's Petoskey ...

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This children's guide to fossil collecting includes an introduction to paleontology, an identific...

'Explore the beauty and history of turquoise, one of the most celebrated and treasured gemstones ...