Hematite used in a sentence

Hematite in a sentence as a noun

The blueberries are hematite, Fe2O3, an iron oxide.

Any good DF player can list at least magnetite, limonite and hematite without any trouble.

The majority is hematite, but iron exposed to air will not form hematite, or even magnetite, but hydrated oxides.

This allows the iron to be extracted using magnets rather then the chemicals needed for hematite, the more abundant cousin of magnetite.

"Even the walls and ceiling of both chambers were covered with a mineral powder composed of magnetite, pyrite and hematite which provided a special brightness to the place.

How about magnetic hematite mixed into the road building materials; especially as its a biproduct of iron mining...