Need help!

[Azhidahaki]

Found this a couple feet from lake Erie shores. Was laying in a grassy field, only one like it, besides some smaller rubble laying feet from this one in the photo.

 

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[DCMatt]

Can't see your picture. Plz try again.

 

[Charlie P. (NY)]

Conglomerate rock?

 

[Terry Soloman]

Welcome! Volcanic rock, probably out of somebody's protable gas grill/Hibachi

 

[oldsilver]

need more info

 

[TheCannonballGuy]

Burned-coal slag, from a large coal-fired boiler or furnace.

 

[cw0909]

portable gas grill/Hibachi rock?
what is the size of it
oh welcome to Tnet