Rocks, Gems and Minerals: A Fully Illustrated, Authoritative Easy-to-Use Guide in Bloomington, MN

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!