mslisaj wrote:I was looking at my lumps of coal last night and can't quite see the "grain" but there are some lines in it and today I'm going out to give it a try and see if I can actually "split it like wood".
The lines, follow them with your chisel. It will cleave easily along them. Once split thin, breaking them into chunks will be a lot easier. Call Mike Rowe before you start, you might be able to get him to bust it for you and get a TV gig out of it, it's going to be messy.