Ruggles Mine

Ruggles Mine Ruggles Mine (Grafton, NH) has been serving generations of mineral collectors since 1961.

We welcome you to visit Ruggles Mine again this season to continue the tradition. Ruggles is the oldest and largest commercial mica mine in the US, founded in 1803.

A sampling of what we have been working on.
01/11/2026

A sampling of what we have been working on.

01/11/2026

Patrick Bigos gives us s**t all the time and he is sometimes right. On that note we have not been real good on doing a lot of updates here in the off season. Prospector Joe and Dorene have been busy on making a lot of new swag for up in the gift shop. We anxiously wait for winter to end so we can all get back rockhounding. We will post some of the workings that will be available this spring .

12/29/2025

We are working on swag for the gift shop. Excited about 2026.

It's hard to believe the 2025 season at Ruggles is already over. Here are some highlights from fun school groups and sc...
10/16/2025

It's hard to believe the 2025 season at Ruggles is already over. Here are some highlights from fun school groups and scout troops, some great finds, northern lights and hard working dogs 🤣 to the most exciting event of the season, a wedding for friends of ours! Congrats to the bride and groom and thank you for choosing the mine for your very special occasion! ❤️

Address

286 Underhill Road
Grafton, NH
03240

Opening Hours

Thursday 9am - 5pm
Friday 9am - 5pm
Saturday 9am - 5pm
Sunday 9am - 3pm

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