Summary: The collecting of rocks minerals and gemstones in particular is one of the fastest-growing hobbies in North America and collectors are becoming increasingly hungry for accurate up-to-date information. This handbook bridges the gap between the layman and the scientist. The text is based on the latest scientific insights and is written in a way that makes it accessible to the beginner as well as the expert. The specimens shown in the 600 color photographs have been car ...show moreefully selected as being representative of the types they illustrate. The descriptions and photographs are placed opposite each other so that all the information is available at a glance. ...show lessEdition/Copyright: 93
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