Rocks, Gems and Minerals: A Fully Illustrated, Authoritative and Easy-To-Use Guide

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!