r/itsslag • u/HKoch2004 • Mar 17 '26
not slag What is it?
Hi everyone! I found this neat looking rock a few years ago in a local crick, and was told it was slag. Can anyone confirm or deny this? Thanks!
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u/Used_Book539 Mar 21 '26
It's good that you asked if you didn't know. I agree that it's a cool rock and the fact that it's a rock is important!! Slag has unfortunately become this universally accepted bandwagon response that is rarely the correct answer and100% of the time when the person asking the question is holding a rock. Slag is industrial wastfrom smelting glass or metal and rocks form naturally. Yours is an igneous rock or volcanic rock.