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Iron ores are rocks and minerals from which metallic iron can be
extracted. There are four main types of iron ore deposit: massive
hematite, which is the most commonly mined, magnetite,
titanomagnetite, and pisolite ironstone. These ores vary in color
from dark grey, bright yellow, or deep purple to rusty red.
Iron ores are rocks and minerals from which metallic iron can be
economically extracted. The ores are usually rich in iron oxides
and vary in color from dark grey, bright yellow, or deep purple to
rusty red. The iron is usually found in the form of magnetite,
hematite, goethite, limonite or siderite.
