A rockhounds must-have resource! Easy to use and lavishly illustrated, this new and completely revised and expanded edition of Collecting Rocks, Gems, and Minerals is designed with beginners in mind, yet filled with valuable technical information for seasoned collectors. This guide takes you from being simply someone who enjoys rocks to a knowledgeable enthusiast in no time and features:An easy-to-use, quick reference format arranged by category and color of stone800+ beautiful color photographsValues and tips for locating, buying and collectingBoth lapidary and mineral display materialsDecades of rock-collecting know-how of the authorForeword by Johann Zenz, world-renowned agate expert, author and lecturer.