Geological Structures: An Introductory Field Guide

Rocks, Gems, and Minerals

Rocks and Minerals (Speedy Study Guide)

Rocks, Gems, and Minerals of the Southwest

Modern Rockhounding and Prospecting Handbook

Gemmology

Rockhounding Idaho: A Guide to 99 of the State’s Best Rockhounding Sites

Field Guide to Rocks & Minerals of Southern Africa

Dirt: The Ecstatic Skin of the Earth

Handy Pocket Guide to Asian Gemstones

Blue: The Science and Secrets of Nature's Rarest Color

Uranium: War, Energy, and the Rock That Shaped the World

Volcanism

Rock Mechanics: For underground mining, Edition 3

Ancient Gems and Finger Rings: Catalogue of the Collection

Boom, Bust, Boom: A Story About Copper, the Metal that Runs the World

The Art of Gem Cutting - Including Cabochons, Faceting, Spheres, Tumbling and Special Techniques