Linked from
The 20 pages that link to Hematite, each with the reason it gives.
Iron oreBroader topic: Its high iron content makes hematite a major source of iron ore.
Iron oxideBroader topic: It is a stable iron(III) oxide and a major source of iron ore.
IronmakingBroader topic: Hematite is a major iron ore and a common furnace feed.
Oxide mineralBroader topic: Hematite is a common oxide mineral and a principal iron ore.
Earth pigmentBroader topic: Hematite gives many earth pigments their red hues.