Crossword Genius

Hard black mineral used as fuel (4)

Ross

I believe the answer is:

coal

(Other definitions for coal that I've seen before include "Char" , "Carbonized vegetable matter" , "slack" , "Carbon fuel" , "Black mineral used for burning" .)

I've seen this clue in The Sun.
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.