Rocks, Gems, and Minerals : A falcon field guide

Rocks, Gems, and Minerals is a field guide to80 of themost common and sought-afterrocks, gems, and minerals hidden throughout North America. Conveniently sized to fit in your pocket and featuring full-color, detailedphotographs, this informativeguide makesit easy to identifyrocks in your backyard and beyond. Also included isan 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.