mineralize

verb

1. (transitive)To convert to a mineral; to petrify.

   “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”

2. (transitive)To impregnate with minerals.

   “mineralized water”

3. (intransitive)To mineralogize; to collect and study minerals.

   “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."”