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

Tumbling Lake Superior Rocks & Gemstones

8 Rocks Found on Lake Michigan Beaches

4 Lake Michigan beaches to visit for rock hunting

8 Rocks Found on Lake Michigan Beaches

Lake Superior Rocks, Tide, Colorful Stone Print, Michigan Beach Stones, Nature Photography, Coastal Beach Artwork, Gift Ideas 2

Hiking the 42 mile long Pictured Rocks National Lakeshore Trail in Michigan on Lake Superior : r/CampingandHiking

Yooperlites. Wait until you see them, you won't…, by K. Barrett, For Awe

Pun intended #geology #minerals #fyp

8 Rocks Found on Lake Michigan Beaches

Hike Archives - GoatManMike's Adventures

Lake Superior - Pictured Rocks National Lakeshore (U.S. National Park Service)

Tumbling Lake Superior Rocks from Last Summer