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Nerdy Babies: Rocks
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The 50 State Unofficial...
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El Libro de la Tabla Peri...
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A Rock Can Be...
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Baking and Crushing
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The Diamond and the Boy: The...
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Rocks: Hard, Soft, Smooth,...
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Salt: A World History
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Origins of Igneous Rocks
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Northeast Treasure Hunter's...
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Hope Diamond: The Legendary...
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Opal Adventures
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Guide in Color to Precious...
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American Nature Guide to...
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Rocks and Minerals
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Metamorphic Phase Equilibria...
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