Found in Michigan cone shaped stones : 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

Rare Beach Stones and Sand Formations of Pier Cove Beach, MI - Owlcation

Found in Michigan : r/whatsthisrock

Vesicular Rocks (1lb), Rocks with holes, Lake Michigan rocks – Midwest Shores

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

Found this porous-feeling rock with inclusions of something pinkish-peach in Lake Superior : r/whatsthisrock

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

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

What are these shapes in my rock? Find in Neuville formation, Qc, Canada : r /whatsthisrock

Found this by the river, what is it? : r/whatsthisrock

Identifying the Rocks of Lake Michigan (Geode, Septarian, Agate

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