Found in Michigan cone shaped stones : r/whatsthisrock

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

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

What's this rock? Found in mid-Michigan Usa : r/whatsthisrock

Frank Festa - 7. Cone in Cone Structures - the Geologic Mystery

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

Found in Michigan. What is this? : r/whatsthisrock

Found in Michigan, anyone know? : r/whatsthisrock

Please help me identify this green rock I found in Michigan : r/ whatsthisrock

Help my mom identify? Found in a field in southern Michigan, blue/green with white crystal-like dots, about the size of a cantaloupe : r/ whatsthisrock

Found in Michigan : r/whatsthisrock

Can you id this mineral green/smooth james river va : r/whatsthisrock