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"Superbly done ... should be high on everyone's 'must have' list." --Rock and Gem Agates, the first popular guide to the brilliantly banded and highly prized gemstones, sold 7,000 copies in hardcover, no doubt for the glorious color photographs that capture collectors' enthusiasm for the stones' distinctive shapes and vivid colors. Agates is a comprehensive, easy-to-use identification guide and a worldwide listing of where they are found. The book describes: Names of agates--mineralogical, geological, local, trade, trivial Properties of agates--e.g., color, wall-banded, level-banded, cracked, thunder eggs Sources of agates--e.g., eruptions, lava, sediment, limestone beds, and fissures Lapidary--sawing, grinding, sanding, polishing Imitations and forgeries of agates Uses of agates through the ages, with beautiful photographs of artifacts and jewelry Early writing and collections Use of agates in science and technology Collecting National and regional maps showing agate-producing areas.



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