Maine Mineral & Gem Museum

The Maine Mineral & Gem Museum (MMGM)will tell the complete story of mining, minerals and gems; how minerals form, are found and mined; the historical and current industrial uses for minerals; and the art of cutting gems and creating jewelry. This will be the world's most extensive collection, exhibits and archival documents of Maine mining, minerals and gems in one location. The museum store will allow visitors to own many of the types of Maine minerals and gems on display. In addition, the MMGM will feature exhibitions of out of this world meteorites, fossils and other minerals. Keep checking the website or Facebook for our opening date and hours of operation.