Mineralize

in all these cases , the bones found in caverns are never mineralised, but simply in the state of grave bones more or less decayed or incrusted by stalagmite ; and have no farther connexion with the rocks themselves

mineralized water

He was a senior when he asked Barnes if he ever went "mineralizing," referred admiringly to Bowdoin's Professor Cleaveland, and expressed a wish to "give a good knock about the rocks in Maine."