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

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.

Describes and identifies a variety of precious stones and minerals found in Colorado.

Your Must-Have Guide to Colorado's Rocks and Minerals Get the perfect guide to rocks and minerals in the Centennial State This book by Dan R. Lynch and Bob Lync

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