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MMGM is Closed. We'll reopen Thu at 10 AM
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WELCOME TO THE

Maine Mineral
& Gem Museum

Visit MMGM today. Open every day except Tuesday.
Plan Your Visit
Discover

Discover millions of years of mineralogic history, from Maine to Mars and more.

Learn why meteorites can teach us how our solar system was created, understand the dynamic process of how crystals are formed, and find out why Maine is home to some of the most incredible gemstones on planet Earth.

Maine Mineral & Gem Museum | Watermelon tourmaline
Special Exhibits

Maine Mineral & Gem Museum’s special exhibits showcase new and relevant topics of interest from the worlds of mineralogy, meteorites, and more. See what’s new and coming up at MMGM.

The big find
Join & Give

Membership is your ticket to world-class collections and out-of-this-world-exhibits. Donate to MMGM today and watch your impact grow. Join today.

Emmons Pegmatite | Maine Mineral & Gem Museum
Intern at Maine Mineral & Gem Museum
Emmons Pegmatite | Maine Mineral & Gem Museum
Maine Mineral & Gem Museum | Lab sample intern

Groundbreaking research happens here.

Explore More

The MStore

The MStore makes gift giving easy with a carefully curated selection of activity kits and toys, books for every age, MMGM merchandise, and more.

Jewelry

Specializing in jewelry made with colorful Maine mined gemstones from everyday casual to custom one-of-a-kind pieces.

Upcoming Events

Featuring speakers, family activities, presentations, mineral ID days, and more, there's always something exciting coming up at MMGM.

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