What is another name for Iron oxide? Is it safe for humans?

Iron oxide is a reddish-brown powder, it's synonym is: Hematite, Maghemite, Magnetite, it is the most common and naturally found oxide. It is used in polishing compounds, pigments, and metallurgy. Iron oxide fume is produced when materials containing Iron are heated, as in arc welding. Exposure to iron oxide fumes can cause metal fume fever. This is a flu-like illness with symptoms of metallic taste, fever and chills, aches, chest tightness and cough. Prolonged or repeated contact can discolor the eyes causing permanent Iron staining.

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