How To: Polish a Petoskey Stone with a Cabbing Machine

If you’re from Michigan you’ve most likely heard of the Petoskey Stone. The Petoskey Stone is Michigan’s state stone and can be found in the Great Lakes – primarily Lake Michigan. I’ve always loved collecting these stones and probably have hundreds of them that I’ve hoarded throughout the years. They look amazing when polished and thought I would share how to polish a Petoskey Stone with a cabbing machine.

If you’re interested about learning more about the Petoskey stone you can find more information here.

You could be wondering, what is a cabbing machine? These are machines that are primarily used by people who are into lapidary and polishing stones. I’m no master by any means so you can watch this video for more information.


You can see the difference between the before and after photos below. Such a big difference!

I recently used these polished rocks and turned them into cabinet knobs for my kitchen or bathroom. If interested, you can find the full tutorial on how to turn beach stones into knobs here.

I hope you enjoyed learning more the Petoskey Stone and how easily they can be polished with a cabbing machine.

If you don’t have one of these machines – don’t worry! I am planning on a future video on how to polish a Petoskey Stone by hand.

I would love to hear any comments you have below!



Leave a Reply

Your email address will not be published. Required fields are marked *

Looking for Something?