Maine Mineral & Gem Museum - Maine Mineral & Gem Museum | Bethel ME

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

Maine Mineral & Gem Museum

Current Events
Upcoming Events
Past Events

Story Hour @ Bethel Library: How to Catch a Dinosaur

10-16-2025 @ 03:00 PM - 10-16-2025 @ 04:00 PM

Bethel Library, 6 Broad St., Bethel, Maine

Story Hour @ Bethel Library: Pirates, Gold, and Fool’s Gold!

09-18-2025 @ 03:00 PM - 09-18-2025 @ 04:00 PM

Bethel Library, 6 Broad St, Bethel, ME

The Origin of Life in the Universe: Talk by MMGM’s Al Falster

10-04-2025 @ 02:00 PM - 10-04-2025 @ 04:00 PM

Maine Mineral & Gem Museum

Gneiss Rocks and Fall Vibes: NEMA’s Annual Fall Mineral Tailgate Sale 2025

09-13-2025 @ 09:00 AM - 09-13-2025 @ 04:00 PM

Havey Quarry, 34 Levine Road, Poland, ME

There are currently no events.

MMGM at the 36th Annual Kennebec Gem & Mineral Show

08-30-2025 @ 10:00 AM - 08-31-2025 @ 04:00 PM

MMGM Annual Tent Sale!

09-06-2025 @ 10:00 AM - 09-07-2025 @ 04:00 PM

99 Main St., Bethel ME

STEM at the MMGM: Hands-On Activities for Kids!

07-31-2025 @ 11:00 AM - 08-07-2025 @ 12:30 PM

99 Main St., Bethel, ME

BAAM at The Gem: Movie Night with MMGM

07-17-2025 @ 05:30 PM - 07-17-2025

The Gem Theater, The Gem, 48 Cross St., Bethel ME 04217

Earth Science Tuesdays @ Bethel Library

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

Bethel Library, 6 Broad St., Bethel ME

Mineral Madness: Crystals vs. Rocks @ Zadoc Library

07-09-2025 - 07-30-2025

Maine Mineral & Gem Museum

Sluice Saturdays: Gem Mining in Maine at MMGM

08-23-2025 @ 10:00 AM - 08-30-2025 @ 05:00 PM

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

Sluice Saturdays in the Summer

06-21-2025 @ 10:00 AM - 06-21-2025 @ 05:00 PM

Maine Mineral & Gem Museum