A specialist in rock and earth science is a geologist.
A rock expert is also called a geologist.
A geologist
Geologist
Igneoligist
I’ll
Minerolosist
Petrologist
A fallen rock.
Someone who specializes in the study of ores would be a mineralogist.
Texture refers to the feel of a rock.
Impermeable rock
Ledge
Expert, Knowledgeable, etc..
pullicologist
An expert at table talk is called a deipnosophist.
Horologist
A mathematician.
Horologist
A Linguist.
Toxicologist.
Horologist
A biologist
ethnologist ethnologist
A cloudologist, or a meteorologist.