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Rock & Mineral Kit, 12 Pieces - Includes Metamorphic, Igneous, Sedimentary Rocks & Minerals - 1" Specimens - Great
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The Basics of Rocks and Minerals and Polar Geology — Rocks and Minerals — Beyond Penguins and Polar Bears
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Rock Collection and ID Chart - 18 Rocks - Igneous, Metamorphic, Sedimentary - from DINOSAURS ROCK: Other Products: Amazon.com: Industrial & Scientific
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