Howdy, I bought a mammoth tooth that was clear-coated on one side. Unfortunately, there are dozens of divots in it that I think are caused by the clear-coating. They're quite deep as well. Is there anything I can do to fix this?
I have dug up a number of middle Pleistocene bivalves and gastropods but some have a very friable (crumbly) matrix. Is there some spray or something to seal and preserve it?