I found this rock in a stream near Toledo, Ohio.
closed as off-topic by Jan Doggen, user12525, Fred, Erik, trond hansen Aug 29 at 11:58
This question appears to be off-topic. The users who voted to close gave this specific reason:
- "Questions about rock identification requests are off-topic. For more information, see the announcement on meta." – Jan Doggen, Community, Fred, Erik, trond hansen