iron manganese tungsten
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|Noun||1.||iron manganese tungsten - a mineral consisting of iron and manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks|
atomic number 74, tungsten, W, wolfram - a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition