Rocks, Gems and Minerals: A Fully Illustrated, Authoritative and


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Description

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!