Falcon Field Guide
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"Rocks, Gems, and Minerals "is a field guide to 80 of the most common and sought-after rocks, gems, and minerals hidden throughout North America. Conveniently sized to fit in your pocket and featuring full-color, detailed photographs, this informative guide makes it easy to identify rocks in your backyard and beyond. Also included is an introduction that covers fundamental geology information and interesting facts. This is the essential source when you're out in the field, both informative and beautiful to peruse.