Hematite - Wikipedia
Hematite occurs naturally in black to steel or silver-gray, brown to reddish-brown, or red colors. It is mined as an important ore mineral of iron. It is electrically conductive. [7] . Hematite varieties …
Hematite: A primary ore of iron and a pigment mineral
Hematite is the most important ore of iron, and it has been used by people as a pigment for at least 40,000 years. Learn about the uses and properties of the mineral hematite.
Hematite | Definition, Uses, & Facts | Britannica
Oct 8, 2024 · hematite, heavy and relatively hard oxide mineral, ferric oxide (Fe 2 O 3), that constitutes the most important iron ore because of its high iron content (70 percent) and its …
Hematite: Mineral information, data and localities. - mindat.org
Steel-grey to black in crystals and massively crystalline ores, dull to bright "rust-red" in earthy, compact, fine-grained material. Originally named about 300-325 BCE by Theophrastus from …
Hematite, a Shape-shifting Mineral From the Stone Age
Nov 21, 2023 · Hematite is an iron oxide in its base form that is 70 percent iron and 30 percent oxygen, and has the chemical formula of Fe 2 O 3. As one of the most abundant minerals on …
Hematite | Properties, Formation, Uses, Occurrence
Sep 8, 2023 · Hematite is a mineral and a common form of iron oxide. It is known for its distinctive reddish-brown to black metallic luster. The name “hematite” is derived from the Greek word …
Hematite | Common Minerals
To a remarkable degree, the color red is a gift of hematite. From lipstick to fire trucks and rusted scrap iron, most red pigments in our world and society are composed of hematite. Its …