Answer: pyrite

AnswerCrossword Clue
PYRITEFool's gold
PYRITEIron ...
PYRITEFool's gold.
PYRITEIron sulfide.
PYRITESulfur source
PYRITESource of sulfuric acid
PYRITEIt glitters but isn't gold
PYRITEMineral resembling gold
PYRITEGlitterer that is not gold
pyritecommon yellow mineral containing sulfur and iron
pyritea metallic sulfide