As far as I am aware no metal mind has been cut or broken in the books, suggesting an incredible resiliency. If it is possible to cut a metalmind what happens to the investiture? for example, a coppermind, if it was full and then cut would the information be lost or would it be split between the two halves? I am inclined to think that it would simply be destroyed like a half shard would after sufficient trauma. what do you guys think?