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.

• Quick reference format by category and color of stone
• Covers lapidary and mineral display
• Provides mineral values, as well as tips for locating, buying and collecting
• Includes organics - amber, bone, coral, pearl and shell
• Lists chemical group, system, hardness, opacity, fracture, specific gravity and more
• Over 650 full-color photos!