The Illustrated Guide to Rocks & Minerals: How to Find, Identify and Collect the World’s Most Fascinating Specimens, with Over 800 Detailed Photographs and Illustrations

The Illustrated Guide to Rocks & Minerals: How to Find, Identify and Collect the World’s Most Fascinating Specimens, with Over 800 Detailed Photographs and Illustrations

National Geographic Pocket Guide to Rocks and Minerals of North America (Pocket Guides)

Gemstone & Crystal Properties: a QuickStudy Laminated Reference Guide (QuickStudy Home)