Maine Mineral & Gem Museum

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Maine Mineral & Gem Museum Explore minerals, meteorites, and Maine mining history with us at this hidden gem in Bethel, ME!

The Maine Mineral & Gem Museum (MMGM) celebrates the geologic and mineralogic history of Maine, and explores the origin of Earth and beyond through immersive exhibits, educational experiences, and scientific research. Dedicated to collecting, preserving and sharing outstanding, one-of-a-kind gems, minerals, meteorites, objects and archives, the MMGM is a world-class, year-round destination in the hills of Western Maine.

Want a Halloween that rocks? Celebrate it with us! MMGM will have free admission from 4:00 PM to 8:00 PM on October 31st...
10/26/2026

Want a Halloween that rocks? Celebrate it with us! MMGM will have free admission from 4:00 PM to 8:00 PM on October 31st. We'll have goodie bags, plus a hunt around the museum for glowing dinosaurs!

10/23/2026

The votes are in! MMGM would officially like to introduce you to Peggy! A big thank you to everyone who suggested names and voted. We look forward to keeping you updated on Peggy's adventures at Emmons, and more of the research that has become possible with our new equipment.

It's Watermelon Wednesday!We figured today would be a good day to show off some of the stunning pieces of watermelon tou...
10/21/2026

It's Watermelon Wednesday!
We figured today would be a good day to show off some of the stunning pieces of watermelon tourmaline we have for sale in the Museum Store!

All of these come from the Dunton Mine in Newry Maine.
Stop by and find a your favorite!

⏰ FINAL HOURS TO VOTE!Tonight is your last chance to help name MMGM’s backhoe.Will it be Frank, GORF, Peggy, Lithobates ...
10/14/2026

⏰ FINAL HOURS TO VOTE!

Tonight is your last chance to help name MMGM’s backhoe.

Will it be Frank, GORF, Peggy, Lithobates or Mary Anne?

If you’ve been meaning to vote, or know someone with strong feelings about the perfect name for our new, green backhoe... now is the time!

Voting closes TONIGHT, October 14, at 11:59 p.m. ET.

Cast your vote:
https://mainemineralmuseum.org/name-the-backhoe/

Sip & Shop is coming up this Friday, October 16!Join us at MMGM from 6–8 PM for an evening of jewelry, gemstones, shoppi...
10/13/2026

Sip & Shop is coming up this Friday, October 16!

Join us at MMGM from 6–8 PM for an evening of jewelry, gemstones, shopping, and refreshments. We'll have discounts, design-your-own jewelry, light refreshments and desserts, plus a Sparkling Citrine Spritz featuring c***r and prosecco.

MMGM members can get a head start on shopping with access beginning at 5 PM.

Bring a friend and make an evening of it. We hope to see you there!

🚜 ONE DAY LEFT TO VOTE!Peggy is out front...for now, but the race isn’t over. You still have time to change the standing...
10/13/2026

🚜 ONE DAY LEFT TO VOTE!

Peggy is out front...for now, but the race isn’t over. You still have time to change the standings and help choose the official name for MMGM’s hardworking green backhoe.

Which finalist gets your vote?

• Frank
• GORF
• Peggy
• Lithobates
• Mary Anne

Voting closes tomorrow, Wednesday, October 14, at 11:59 p.m. ET.

Vote here:
https://mainemineralmuseum.org/name-the-backhoe/

Our new Discovery Gallery exhibit, The Sky is Falling! A Spotlight on US Meteorites is up now! Come see it in person now...
10/10/2026

Our new Discovery Gallery exhibit, The Sky is Falling! A Spotlight on US Meteorites is up now! Come see it in person now and learn some of the incredible stories of meteorites that fell in over 40 states!

We are ONE WEEK away from the MMGM Sip & Shop event! Join us next Friday, October 16, for an evening of gemstones, jewel...
10/09/2026

We are ONE WEEK away from the MMGM Sip & Shop event! Join us next Friday, October 16, for an evening of gemstones, jewelry, shopping, and a little something to sip on.

Browse the store, check out our discounts, and try your hand at designing your own jewelry. We’ll have light refreshments and desserts in the Discovery Gallery, too!

There is still space on our Bucks & Lapham Ledge trip! email info@mainemineralmuseum.org and reserve your spot for Octob...
10/08/2026

There is still space on our Bucks & Lapham Ledge trip! email [email protected] and reserve your spot for October 12th 9:30 AM - 11:30 AM! Enjoy an immersive, and interpretive walk through one of the region’s scenic geological areas.

We are just 10 days away from our Sip & Shop Event!Browse the store, check out the latest jewelry, and try your hand at ...
10/06/2026

We are just 10 days away from our Sip & Shop Event!

Browse the store, check out the latest jewelry, and try your hand at creating your own jewelry. We’ll also have refreshments and desserts available in the Discovery Gallery, including a signature cocktail, the Sparkling Citrine Spritz!

Address

99 Main Street
Bethel, ME
04217

Opening Hours

Monday 10am - 5pm
Wednesday 10am - 5pm
Thursday 10am - 5pm
Friday 10am - 5pm
Saturday 10am - 5pm
Sunday 11am - 5pm

Telephone

(207) 824-3036

Website

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