Rockhounding Colorado: A Guide to the State's Best Rockhounding Sites (Rockhounding), 4th Edition

Rockhounding Colorado takes you to 81 of the best rockhounding sites in the state. Search for amethyst and quartz at the Crystal Hill Mine, check out the view at Douglas Pass while looking for leaf imprints and insect fossils, or head to Saint Peters Dome to uncover green, white, and purple fluorite.