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What Makes Rocks Red?

Rocks are red when they contain the mineral hematite, which is an iron oxide that is similar to rust. Find out how iron forms a reddish hue when oxidized with help from a lab manager and research scientist in this free video on rocks.

About the Author

Jane Stammer is a lab manager and research scientist in the Advanced Mineralogy Research Center at the Colorado School Of Mines. Stammer has a master's degree in geology.