MMGM is Closed. We'll reopen Wed at 10 AM

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Events

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

Events

Sluice Saturdays in the Summer

07-05-2025 @ 10:00 AM - 07-05-2025 @ 05:00 PM

Maine Mineral & Gem Museum

Mineral Madness @ Zadoc Library

07-09-2025 - 07-30-2025

Maine Mineral & Gem Museum

Make Your Own Bismuth Crystal!

07-18-2025 @ 11:00 AM - 07-18-2025 @ 12:00 PM

99 Main St., Bethel ME

Community ROCKS: Celebrating 5 Years of Science & Discovery

07-19-2025 @ 10:00 AM - 07-19-2025 @ 05:00 PM

Maine Mineral & Gem Museum

Free Admission Day For Mainers

07-20-2025 @ 11:00 AM - 07-20-2025 @ 04:00 PM

Maine Mineral & Gem Museum

Earth Science Tuesdays @ Bethel Library

07-22-2025 @ 03:00 PM - 08-26-2025 @ 04:00 PM

Bethel Library, 6 Broad St., Bethel ME