Found in Michigan cone shaped stones : r/whatsthisrock

What are these yellow rocks? Found in Lake Michigan near Manistee, MI : r/ whatsthisrock

Found these two rocks today! Anyone know what they are, and if there's a possibility if they rock on the left has a fossil in it? Thank you :) (SE Michigan, USA)

Looking for help identifying these rocks found in Lake Michigan! An orange one, a green one, and one that people with trypophobia will hate 😂 : r/ whatsthisrock

Found in Michigan, anyone know? : r/whatsthisrock

Rare Michigan Lightning Stone Septarian Concretion Display

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

Found in West Michigan, in fill rocks : r/whatsthisrock

Please Help Identify. Can Not Find Anything Like It? - Page 3 - Rocks, Minerals, Gems & Geology

Lake Michigan treasures: what can be found right here