2455 Old Penitentiary Road

Boise, ID 83712 (Next to the Old Pen)

Current Hours

Museum reopens March 17th. Open Fridays and Saturdays, 12-5pm.

Free Admission!

Tours and other programs available.

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Mohs Scale, Mineral Uses

June 5, 2022 @ 2:30 pm - 3:30 pm

This session presented by Don Adair, PG will help you understand the Mohs scale of mineral hardness. It sounds complicated, but it’s not. You will learn about Idaho minerals and how they are used. To top it off, participants will be able to take a sample of a mineral home, compliments of Don Adair’s personal stash.

This session is ideal for interested adults and students 3rd grade and up.

Masks are required with a limit of 18 participants.

Pre-registration is required.  Click here for tickets



June 5, 2022
2:30 pm - 3:30 pm
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Idaho Museum of Mining and Geology
2455 Old Penitentiary Road
Boise, ID 83712 United States
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