Hematite - Wikipedia
Hematite is an antiferromagnetic material below the Morin transition at 250 K (−23 °C), and a canted antiferromagnet or weakly ferromagnetic above the Morin transition and below its Néel …
Hematite | Definition, Uses, & Facts | Britannica
2024年10月8日 · 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 | Properties, Formation, Uses, Occurrence - Geology …
2023年9月8日 · 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 …
Hematite: A primary ore of iron and a pigment mineral - Geology.com
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, a Shape-shifting Mineral From the Stone Age
2023年11月21日 · 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 | Common Minerals - University of Minnesota Twin Cities
Hematite gets its name from the Greek word ‘hamatitis’, which means blood-red, after the color of the mineral in its powdered form. Nearly every human society has used the earthy red ochre …
All About Hematite – Uses, Properties, Color, and Worth
2019年9月27日 · Hematite is a common iron oxide mineral found in rocks and soils everywhere. Hematite is commonly seen in two different forms called metallic hematite and earthy …
Hematite: mineral characteristics, properties, uses - ZME Science
2024年2月7日 · Hematite is an iron oxide mineral widely found in rocks and soils across the globe. Its name comes from the Greek word haima, meaning blood — this refers to the red …
Hematite | Fe2O3 | CID 14833 - PubChem
Hematite | Fe2O3 | CID 14833 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, …
The Mineral hematite - The Mineral and Gemstone Kingdom
Hematite is the principle ore of iron. Huge quantities are mined throughout the world for industrial production. It is the source for roughly 90 percent of all iron mined in the United States. …
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