The Collector's Guide to the Minerals of New York State
Basin Analysis: Principles and Application to Petroleum Play Assessment
Geology of Ireland: A Field Guide
Lake Superior Agates: Identify Agates and Imposters!
Rockhounding New York: A Guide to the State's Best Rockhounding Sites (Rockhounding Series)
Basin Analysis: Principles and Application to Petroleum Play Assessment
Collector's Guide to the Feldspar Group
Sedimentary Geology
Rockhounding Utah, 2nd: A Guide to the State's Best Rockhounding Sites (Rockhounding Series)
Collecting Agates and Jaspers of North America
Smithsonian Handbooks: Rocks & Minerals (Smithsonian Handbooks)
Salt: A World History
National Audubon Society Field Guide to North American Rocks and Minerals (National Audubon Society Field Guides)
Let's Go Rock Collecting (Let'S-Read-And-Find-Out Science. Stage 2)
Collecting Rocks, Gems and Minerals: Identification, Values and Lapidary Uses (Collecting Rocks, Gems & Minerals: Identification, Values, Lapidar y Uses)
Smithsonian Handbooks: Gemstones
Gemstones of the World, Revised Edition
A Grain of Sand: Nature's Secret Wonder
Gemstones of the World
Rockhounding Wyoming (A Falcon Guide)
Smithsonian Handbooks: Rocks & Minerals (Smithsonian Handbooks)
Salt: A World History
Smithsonian Handbooks: Gemstones
National Audubon Society Field Guide to North American Rocks and Minerals (National Audubon Society Field Guides)
A Grain of Sand: Nature's Secret Wonder
Peterson First Guide to Rocks and Minerals
Collecting Rocks, Gems and Minerals: Identification, Values and Lapidary Uses (Collecting Rocks, Gems & Minerals: Identification, Values, Lapidar y Uses)
Rockhounding Idaho: A Guide to 99 of the State's Best Rockhounding Sites (Rockhounding Series)
Rockhounding Montana, 2nd: A Guide to 91 of Montana's Best Rockhounding Sites (Rockhounding Series)
Rock and Gem
Salt: A World History
Smithsonian Handbooks: Rocks & Minerals (Smithsonian Handbooks)
National Audubon Society Field Guide to North American Rocks and Minerals (National Audubon Society Field Guides)
Smithsonian Handbooks: Gemstones
Collecting Rocks, Gems and Minerals: Identification, Values and Lapidary Uses (Collecting Rocks, Gems & Minerals: Identification, Values, Lapidar y Uses)
Let's Go Rock Collecting (Let'S-Read-And-Find-Out Science. Stage 2)
Collecting Rocks, Gems & Minerals: Easy Identification - Values - Lapidary Uses (Collecting Rocks, Gems & Minerals: Identification, Values, Lapidar y Uses)
Fifty Minerals that Changed the Course of History
Healing Crystals and Gemstones: From Amethyst to Zircon
Gemstones of the World: Newly Revised & Expanded Fourth Edition