Shells, Rocks & Minerals
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MINERALS AND GEMSTONES: 300 of the Earth's Natural TreasuresPaperbound$11.95 $14.95
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COLLECTOR'S GUIDE TO THE BALMAT MINING DISTRICT: St. Lawrence County, New YorkHardbound$12.95 $34.99
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SMITHSONIAN ROCK & GEM: The Definitive Guide to Rocks, Minerals, Gems, and FossilsPaperbound$21.95 $29.99
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THE MINERALS ENCYCLOPEDIAPaperbound$24.95 $29.95