u/Gabby_Jax

Image 1 — So cool, but doesn't anyone know what this is?

Image 2 — So cool, but doesn't anyone know what this is?

Image 3 — So cool, but doesn't anyone know what this is?

Image 4 — So cool, but doesn't anyone know what this is?

▲ 316 r/whatsthisrock

So cool, but doesn't anyone know what this is?

Found this on the shores of Lake Michegan, but I have no clue what type of rock it is. Pictures of the rock both when its wet and dry.

u/Gabby_Jax — 3 days ago