An interesting disaster

[Kubur]

Originally Posted by Ian

My disappointment was somewhat allayed when I noticed that the "sword" comprised a stone core with a thin metal sheet covering.
Attached are pictures of the sword/knife in two pieces and a close up of the stone core.
Ian

It's not a stone core but an Iron slag. I think.
So basically your sword was made of badly forged Iron covered with cooper or brass...
IMHO

Best,
Kubur