Ikons of the Mineral World: Nature's Finest Art

Material World: The Six Raw Materials That Shape Modern Civilization

The Rockhounding Encyclopedia: The Gem Hunter’s Guide to Identifying and Collecting Over 100 Unique Gemstones, Minerals, Fossils & Geodes | Featuring America’s Top 500 Rockhounding Sites

Salt: A World History

Material World: The Six Raw Materials That Shape Modern Civilization

The Minerals Encyclopedia: 700 Minerals, Gems and Rocks

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Rockhounding for Beginners: Your Comprehensive Guide to Finding and Collecting Precious Minerals, Gems, Geodes, & More

Gem & Mineral Log Book. A Journal to Identify, Document, Organize, Value, Appraise your Crystal Collection: A notebook & tracker for beginner to ... meteorites. Value Charts, Checklist, Wishlist

The Smithsonian National Gem Collection―Unearthed: Surprising Stories Behind the Jewels