a major ore of iron
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AnswerCrossword Clue
limonitea major ore of iron
limonitesLIMONITE, a major ore of iron
ironstonea hard, earthy ore of iron
ironstonesIRONSTONE, a hard, earthy ore of iron
wolframitea tungstate of iron and manganese, the chief ore of tungsten
wolframitesWOLFRAMITE, a tungstate of iron and manganese, the chief ore of tungsten
hematitesA reddish-black mineral consisting of ferric oxide. It is an important ore of iron
ilmeniteA black mineral consisting of iron titanium oxide, of which it is the main ore
ilmenitesA black mineral consisting of iron titanium oxide, of which it is the main ore
haematitesA reddish-black mineral consisting of ferric oxide. It is an important ore of iron
chalcopyriteA yellow crystalline mineral consisting of a sulfide of copper and iron. It is the principal ore of copper
magnetitea black isometric mineral of the spinel group that is an oxide of iron and an important iron ore
sideritecommon mineral, iron carbonate, FeCO3, usually occurring in yellowish to deep-brown cleavable masses: a minor ore of iron
pentlanditeA bronze-yellow mineral that consists of a sulfide of iron and nickel and is the principal ore of nickel
stannitemineral, iron-black to steel-gray in color, with a metallic luster, copper iron tin sulfide, Cu2FeSnS4: an ore of tin
wolframiteA black or brown mineral that is the chief ore of tungsten. It consists of a tungstate of iron and manganese
columbiteA black mineral, typically occurring as dense, tabular crystals, consisting of an oxide of iron, manganese, niobium, and tantalum. It is the chief ore of niobium
columbitesA black mineral, typically occurring as dense, tabular crystals, consisting of an oxide of iron, manganese, niobium, and tantalum. It is the chief ore of niobium
magnetsA piece of iron (or an ore, alloy, or other material) that has its component atoms so ordered that the material exhibits properties of magnetism, such as attracting other iron-containing objects or aligning itself in an external magnetic field