Hematite - Wikipedia

File:Hematite (iron ore) (weathered zone in the Biwabik Iron-Formation, Whiteside Mine, Buhl, Minnesota.jpg - Wikipedia

Environmental impact of iron ore mining - Wikipedia

Ilmenite - Wikipedia

File:Hematite-254990.jpg - Wikipedia

File:Ilmenite and hematite under polarized light.jpg - Wikipedia

Hematine - Wikipedia

Unusual Minerals and Their Processing for Cave Art in France, Spain, by Albert Perrin

Hämatit – Wikipedia

Hematite: Mineral information, data and localities.