Crossword Clue:

Main ore of iron

AnswerCrossword Clue
HEMATITEMain ore of iron
SIDERITEOre of iron
SIDERITEValuable ore of iron
SIDERITEValuable ore of iron.
BLASTFURNACEGASByproduct of iron ore
ELBAIsland source of Italy's iron ore.
MINNESOTAWhere nearly 70% of our iron ore comes from.
MINNState producing 70 per cent of U. S. iron ore: Abbr.