“This new vicious discovery would corrupt the world of art. No, I shall never confide the secret to anyone,” he said slowly.

It would be hard to find anyone less informed about such phenomena than myself; but of course I had heard of mineral springs so saturated with silica that the leaves and twigs which fell into them were turned to stone after a time. I dimly comprehended the process, how the silica replaced the vegetable matter, atom by atom, and the result was a duplicate of the object in stone. This, I confess, had never interested me greatly, and as for the ancient fossils thus produced, they disgusted me. Boris, it appeared, feeling curiosity instead of repugnance, had investigated the subject, and had accidentally stumbled on a solution which, attacking the immersed object with a ferocity unheard of, in a second did the work of years. This was all I could make out of the strange story he had just been telling me. He spoke again after a long silence.