Annual Greater Detroit Gem, Mineral, & Fossil Show

One of the top shows in the U.S. and Michigan’s largest mineral show for 70 years. Each year, the MMS hosts the largest event of professionals and hobbyists in the Midwest – the Greater Detroit Gem, Mineral and Fossil Show – which features some of the most respected dealers in the country as well as displays from world famous museums such as the Smithsonian Institution, Royal Ontario Museum and the A.E. Seaman Mineral Museum, the official mineral museum of Michigan.

Warren, Michigan (Detroit area)