Originally Posted by
111Nathaniel
"A number of good hone stones are fired silt stone.
i.e. find a fine mud or silt stone and correctly fire it so it
is no longer mud when wet and you may have a winner.
Find a friendly potter... think terracotta more than
porcelain or stoneware."
Oh! i was reading about mudstones knowing they could be a source of
small grain size but i didn't realize you need to fire it Thanks for that.
"As far as scratch test consider three bits of
steel. One soft and fully annealed, another
fully hardened (R62ish) and another tempered to
normal razor hardness."
this is a good idea, i do have some steels around.
Thanks for the tips.
Nathaniel