It looks like you used enough epoxy the gap is wide enough you could split them with a bandsaw if you were inclined. I have done that with some small slate backed coticules.
I know nothing!!
Yeah looks like a regular ardennes coti to me...
@KCNWEA: It really looks like glued to slate.......
Greets Sebastian.
What is the hardness of yours? This is the easiest coti I have encountered to use.
I like these very homogenious and clean looking hard stones....