Michigan Rocks

Michigan Rocks Michigan Rocks is about hunting rocks and then either polishing them or making something from them. I also work with other rocks from around the world.
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06/03/2026

Tumbling a Speckled Green Rock

05/29/2026

Michigan's State Gemstone from Rough to Polished

Sam shows us everything from how to extract greenstones from basalt to polishing them to a shine.

05/26/2026

Gambiri Agate Acid Soak

I’d like to introduce you to our newest grandson, Peter Frederic. He’s named after Saint Peter the apostle and Venerable...
05/21/2026

I’d like to introduce you to our newest grandson, Peter Frederic. He’s named after Saint Peter the apostle and Venerable Bishop Frederic Baraga. I think that’s a very good name, considering his father David is a geologist from Michigan. Peter means “rock” and Bishop Baraga has a town in the U.P. named after him. He also founded St. Bernard Catholic Church in Alpena where Peter’s mother Allison is from. Big siblings Joe and Maria love their new brother.

05/19/2026

Do Polka Dotted Rocks Tumble Well?

05/15/2026

Trying Out a New Core Drill for Making Stone Spheres

I just bought a Vevor core drill to speed up the preform making process for making stone spheres. I want to thank the members of the Sphere Making Facebook group for their help. https://www.facebook.com/share/g/1Bhd6Kpgom/

05/13/2026

Black and Red Rock Tumble—This one was a bit surprising.

05/05/2026

Crosses and Turtles and Bears—Oh my!
Just a quick look at some rocks that came out of the tumbler recently. These are rocks that came from a variety of sources, plus a few shapes that I cut out.

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Alpena, MI

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