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The essential guide to rocks, minerals, and gemstones. The simple introduction discusses the basics of mineralogy and provides a list of general features used in the identification of rocks. This is followed by a comprehensive description of each rock and mineral, including its history, origin and structure, composition, properties, classification, and where it is found in North America and throughout the world. The 600 stunning photographs, a unique collection amassed from around the world, are opposite the text and are reproduced at approximately life size, to aid identification.
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