Maine Mineral & Gem Museum

About Us

The Maine Mineral and Gem Museum (MMGM) showcases outstanding, one-of-a-kind gems, minerals, objects and archives to present the history and material culture of mining in the state of Maine. The Museum holds an extraordinary collection of minerals from Maine and beyond, and showcases one of the world's foremost collections of meteorites from the Moon, Mars and beyond.

Visit the Museum Store for unique gifts including kids science kits, books, puzzles, and stunning, one-of-a-kind jewelry made with dazzling Maine gemstones.