Iron Oxide

Iron obtained from hematite, magnetite, goethite, lepidocrocite and siderite.

Used in steel and other alloys which are used in countless products? It is essential for animals as it is the chief constituent of hemoglobin which carries oxygen in blood vessels. Iron is the most important element of all the metals.

Deficiency of iron leads to anaemia, but excess iron in the body causes liver and kidney damage. Also, used as a structural component; in making steel; magnets.