Crosswordiee.com

% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Iron pyrites. 9 letters:

FOOLSGOLD: Iron pyrite
FOOLSGOLD: Iron pyrites, a hoax for miners.
FOOLSGOLD: Iron pyrites.
FOOLSGOLD: Iron or copper pyrites.