I agree that this is an often asked question, but I don't think I have seen anyone ask about that possible solution before.
Of course the standard answer still applies... Try it and let us know how it works out.
It seems to be a closely guarded secret. The people who can do it sell a lot
of blanks. I'd love to know myself. I've had several ideas, but no joy so far.
Dave, the company that makes Tru-Stone, RT Research Corp. in Tempe Az. keeps the process a deep secret . Many have tried but as far as we know no one else has succeeded .