MONTANA Moss Agate--Collectible Chalcedony from the Yellowstone River

摘要

They say "the third time's the charm", and when I made my third visit to my good friends Tom Harmon and his son, Jim Harmon, in Sidney, Montana, in October 2012, the adage certainly held true. The Harmons, whom I have known for about 20 years, are directly responsible for the superb quality of my col lection of Montana Moss agate.