River Runs North: A Story of Montana Moss Agate, The 20 Pictured both wet and dry

Pictured both wet and dry

and orange plumes

This specimen features orange

A red-orange agate with potential for banding and levels of transparency

Learn more about Salvia Purple Chalcedony on our mining page

River Runs North: A Story of Montana Moss Agate, The 20 Pictured both wet and dry"The River Runs North: A Story of Montana Moss Agate" by Tom Harmon. Harmon grew up on the banks of the Yellowstone River and has spent his life pursuing the secrets of the Montana Moss Agate. This book tells the history and discovery of Montana Moss Agate by the first lapidaries; Native American to the explorers and first white settlers of Yellowstone River County. "The River Runs North" also explains the hows and whys of Montana Moss Genesis and