Revised and expanded 2\/E of this popular reference guide for rockhounds and field collectors of rocks, minerals and fossils. Includes expanded sections on basic geology and mineral formation; how to find and identify minerals in the field; collecting tools and techniques; finding gold and other heavy minerals; fossil formation and collecting fossils; the legal aspects of collecting; specimen preparation and display plus the basics of lapidary and jewelry making. Illustrated throughout with photos, diagrams and charts; features 16\-page color insert of over 90 specimens; extensive glossary; lists of government agencies and museums and much more. An indispensable how\-to book for beginners and a comprehensive reference guide for experienced collectors.