Found in Michigan cone shaped stones : r/whatsthisrock

Found in my backyard in Alabama. Very smooth, pyramidal shaped stone with a round bottom. The unsmoothed sides have holes and pockmarks that almost look like pumice or volcanic rock but it's

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

Anyone know what kind of rock this is? Found in Lake Michigan. : r/ whatsthisrock

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

Found in Michigan cone shaped stones : r/whatsthisrock

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

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

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

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

Rock found on the southern shore of Lake Michigan. It has a strange swirl pattern that looks metallic in spots but is non-magnetic. Thanks in advance! : 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)

Found this cool rock on the coast of Lake Michigan while on I

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

Beachgoer's Guide to Lake Michigan Fossils and Rocks - Field Museum

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