Rocks, Gems and Minerals: A Guide to Familiar Minerals, Gems, Ores and Rocks
This handy identification guide to the most common kinds of rocks and minerals offers concise and fascinating information on:\ \ Physical and chemical properties\ Origins and geologic significance\ Gems and semiprecious stones\ How to find and collect specimens\ \ Illustrated in full color throughout, Rocks, Gems and Minerals is a gem of a guide for rockhounds and mineral collectors!\ \ \ Includes information on collecting and identifying minerals, and sections on...
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This handy identification guide to the most common kinds of rocks and minerals offers concise and fascinating information on;Physical and chemical properties Origins and geologic significance Gems and semiprecious stones How to find and collect specimensIllustrated in full color throughout, this is a gem of a guide for rockhounds and mineral collectors!
