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

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

Salt: A World History

Turning to Stone: Discovering the Subtle Wisdom of Rocks

Gemstones of the World: Newly Revised Fifth Edition

Salt: A World History

Michigan Rocks & Minerals: A Field Guide to the Great Lake State (Rocks & Minerals Identification Guides)

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

Turning to Stone: Discovering the Subtle Wisdom of Rocks

National Audubon Society Field Guide to Rocks and Minerals: North America (National Audubon Society Field Guides)