Are any of these southern Lake Michigan beach rocks good for tumbling? I added a little water to some to show the shine. Not sure what they all are, I'm guessing quartzite

8 Rocks Found on Lake Michigan Beaches

Great Lakes Rocks & Minerals, ✋🏼I do solemnly swear that all rocks in this rainbow were found along the shores of Lake Michigan

General : beach and river collecting

Identifying the Rocks of Lake Michigan (Geode, Septarian, Agate, and More) - Owlcation

Tumbled Lake Huron Rocks—Before and After—Rocks in a Box 74

How to Tumble Beach Rocks to a Great Shine

I think I found my 1st agate. After weeks of combing a beach I finally found something noteworthy. Can anyone interject some wisdom about my humble stone? : r/rockhounds

Question: Getting ready for my first tumble, are these beach rocks good candidates? : r/RockTumbling

Not Your Every Day Beach • Into the Light Adventures Daily Adventures

Tumbling Michigan Beach Rocks from 2020 (Part 1) - Rocks in a Box 46

Lake Michigan Beaches - No Salt, No Sharks - The Flying Mantis