The Big Find

The Week That Changed Everything…

In October 1972, near the top of Plumbago Mountain in Newry, George Hartman, Dean McCrillis, Dale Sweatt, and contract miner Frank Perham unearthed North America’s most magnificent single discovery of gem-quality tourmaline crystals–more than a ton in all.

The discovery sent shockwaves through Maine and around the mineral world. Never had such a large quantity of world-class tourmaline gem rough been found in a single locality in North America.

To celebrate the 50th anniversary of this incredible find, join us for a few special events throughout the year that lead up to The Big Reveal, a runway extravaganza featuring twelve jewelry masterpieces made with historic gemstones.

To learn about the week everything changed click here.

Or check out our entire video archive HERE.


Visit the Museum Store for unique gifts, mineral specimens, and locally mined and made jewelry.

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