An Instant Guide to Rocks & Minerals
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"An Instant Guide to Rocks, minerals, and crystals found on the shore, in the desert, in national parks, on old mine tips, in yards and in the stone and stone-faced buildings of North America. This user friendly guide assumes no previous knowledge: an easy-to-follow system of color-coded bands and symbols designating type of rock and hardness of mineral leads quickly to the correct section of the book. Detailed, full-color illustration and concise but informative text that includes details of principal U.S locations allow you to identify accurately the most familiar rocks and minerals of North America."