Linked from
The 20 pages that link to Hematite, each with the reason it gives.
OchreRelated: Its red iron oxide is a major source of red ochre.
Cylinder sealRelated: Hematite was a valued material for making cylinder seals.
SiennaRelated: Heating sienna promotes redder iron-oxide coloring associated with hematite.
Rock magnetismRelated: It can preserve stable remanence, sometimes through geological timescales.