All MMGM visitors are currently required to wear masks regardless of vaccination status.

Visit the largest piece of Mars on Earth.

PUrchase tickets here.

Tourmaline Turns 200 commemorates the bicentennial of the discovery of the Maine state mineral, tourmaline, in the fall of 1820.

Tourmaline (elbaite) is now known from more than 60 locations in Maine and gems have been faceted from at least a dozen of them. The exhibition combines specimens showing the range of colors, forms, species, and occurrences of Maine tourmaline with items from MMGM’s archival and library collections.

On view in the Discovery Gallery now. Happy Birthday Tourmaline!

The Big Find: A Legend Continues — Latest Updates

In October of 1972, one of the largest and most significant gem tourmaline finds in North American history occurred in the mountains of western Maine. This discovery created – and still creates – ripples in the American gemstone industry.

This fall, twelve artists from across the country were chosen to create one-of-a-kind pieces of jewelry from exquisite Big Find gems, which will be showcased at the MMGM in October of 2022.

Follow the artist’s journey on our Facebook and Instagram as they create their masterworks.

To learn more about The Big Find, click HERE.

Looking for unique gifts for all the science lovers on your list?

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Specializing in jewelry made with colorful Maine mined gemstones from everyday casual to custom one-of-a-kind pieces. With a unique mineralogical niche, the Museum Store offers a wide selection of products for all ages.

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