This updated and expanded second edition features over 90 locations, including 27 new sites, where collectors can explore the mineral, gem and fossil treasures

This famous book takes you on an extensive gem and mineral collecting tour of Colorado, revealing the interesting places where Nature has stored her treasures.

New Mexio is a rockhound's paradise. From micromount and gem quality mineral specimens to fossil pieces of life forms millions of years old there is something o

Your complete guide to the state's rich and varied mineral, gemstone, and fossil sources. In Colorado, rockhounds may pick agate and petrified wood from the vas