Golden Guide: Rocks, Gems and Minerals
Rocks, Gems and Minerals: Revised and Updated
This handy identification guide to the m ost common kinds of rocks and minerals offers concise and fascinating information on:
- Physical and chemical properties
- Origins ans geologic significance
- Gems and semiprecious stones
- how to find and collect specimens
Illustrated in full color throughout, this is a gem of a guide for rockhounds and mineral collectors.