This first all-photographic field guide features 794 full-color images of all the important rocks, gems, and minerals of North America, showing their many variations of color and crystal forms. The text provides descriptions of 200 minerals (including 20 classified as gemstones) and 40 rocks, as well as descriptions of the natural environments where they occur. � 794 full-color photographs � Photographs organized visually by their subject's color with a thumb tab index for quick and easy identification � Twice as many descriptions and color plates as any other rock and mineral guide � Guidelines for collecting procedures, key to identification, and a mineralogical glossary

National Audubon Society Field Guide to Rocks and Minerals

SKU: 10140