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Hematite (/ ˈ h iː m ə ˌ t aɪ t, ˈ h ɛ m ə-/), also spelled as haematite, is a common iron oxide compound with the formula, Fe 2 O 3 and is widely found in rocks and soils. [6] Hematite crystals belong to the rhombohedral lattice system which is designated the alpha polymorph of Fe 2 O 3. It has the same crystal structure as corundum ...
Oct 8, 2024 · Hematite, heavy and relatively hard oxide mineral, ferric oxide, that constitutes the most important iron ore because of its high iron content (70 percent) and its abundance. Its name is derived from the Greek word for ‘blood,’ in allusion to its red color. Learn more about hematite in this article.
Hematite is a common iron oxide mineral with various colors and forms. It is the most important ore of iron and has many other uses as a pigment, gem, and healing stone.
Sep 8, 2023 · Hematite is a common form of iron oxide with a distinctive reddish-brown to black metallic luster. It is used as a pigment, an ore, and a gemstone, and has various chemical and physical properties. Learn more about hematite's formation, sources, and applications.
Hematite is a black to red iron oxide mineral that is the most important source of iron ore and pigment. Learn about its varieties, forms, geologic and historical significance, and how to identify it in the Upper Midwest.
Feb 7, 2024 · Learn about hematite, an iron oxide mineral with various colors and forms, and its geological and practical significance. Discover how hematite is formed, tested, and used in different fields, including art, industry, and exploration.
Hematite is a kind of accessory mineral widely distributed in various rocks and appears in many igneous rocks in fine granular form. Under special circumstances, hematite forms huge blocks in regional metamorphic rocks. Besides, hematite is often produced together with magnetite and can be employed for iron making, red pigment and abrasive.
