Collecting Rocks, Gems and Minerals
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Collecting Rocks, Gems and Minerals - Identification, Values, Lapidary Uses by Patti Polk is three guides in one. Written with the beginner in mind, but also inclusive of a wealth of technical information for more advanced collectors, Collecting Rocks, Gems and Minerals is fast becoming a "must have" for any rockhounding library. Patti Polk, 270 pages, paperback, over 650 full-color photos.