Petrification: the process by which organic matter exposed to minerals over a long period is turned into a stony substance.
I am not a chemist, and I do not know how long the long period of time is supposed to last. But here we have this:
If you give it a try, please let us know of the results ![Wink ;) ;)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
I am not a chemist, and I do not know how long the long period of time is supposed to last. But here we have this: