A large raw Petoskey stone.

---

Size: 4272px × 2848px
Photo credit: © Amber Howell / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: ancient, animal, bit, chief, chunk, close, coral, detail, evidence, exterior, fossil, fossilized, fragment, grey, heavy, hexagon, hexagonal, hexagonaria, indentation, indentations, irregular, large, michigan, natural, nature, percarinata, pet--sega, petoskey, piece, polygon, prehistoric, raw, remainder, remains, remnant, ridge, ridged, ridges, rock, rough, scientific, sides, skeleton, stone, surface, texture, uneven, unpolished, unrefined, worn