Opaque green mineral consisting of hydrated copper carbonate (9)

I believe the answer is:

malachite

(Other definitions for malachite that I've seen before include "source of copper" , "hydrated copper carbonate" , "ornamental stone" , "Bright green mineral" .)

I've seen this clue in The Mirror.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.