Fire in the Sea: The Santorini Volcano: Natural History and the Legend of Atlantis

Southwest Treasure Hunter's Gem and Mineral Guide (6th Edition): Where and How to Dig, Pan and Mine Your Own Gems and Minerals (The Treasure Hunter's ... Guides to the U.s.a.: Southwest Sates)

Mineral Resource Estimation

The Mineral Book (Wonders of Creation)

Roadside Geology Sunrise Highway-

The Gems of Hiddenite, North Carolina: Mining History, Geology and Mineralogy

Under a Green Sky: Global Warming, the Mass Extinctions of the Past, and What They Can Tell Us About Our Future

Unearthing the Underworld: A Natural History of Rocks

Crystalline Silica

Rare Earth Frontiers: From Terrestrial Subsoils to Lunar Landscapes