Answer: siderite

AnswerCrossword Clue
SIDERITEOre of iron
SIDERITEIron carbonate
SIDERITEValuable ore of iron.
SIDERITEValuable ore of iron
SIDERITEIron ore
SIDERITEValuable iron ore
sideritemeteorite consisting almost entirely of metallic minerals
sideritea native ferrous carbonate FeCO3 that is a valuable iron ore
sideritecommon mineral, iron carbonate, FeCO3, usually occurring in yellowish to deep-brown cleavable masses: a minor ore of iron