Superbly photographed, with at a glance symbols for easy reference, this book introduces you to geology and collecting, uses - past and present, imitations and synthetics, and the effects of plate tectonics and erosion. Over 200 rocks, crystals, and minerals are presented, enabling you to identify different samples through examination of color, structure, hardness, and place of origin. From the fabulously famous Koh-i-nor diamond to the most mundane of rocks - coal, this compact and comprehensive volume will teach you all you need to know about rocks, crystals, and minerals.