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- Hematite abstract "Hematite, also spelled as haematite, is the mineral form of iron(III) oxide (Fe2O3), one of several iron oxides. Hematite crystallizes in the rhombohedral lattice system, and it has the same crystal structure as ilmenite and corundum. Hematite and ilmenite form a complete solid solution at temperatures above 950 °C (1,740 °F).Hematite is a mineral, colored black to steel or silver-gray, brown to reddish brown, or red. It is mined as the main ore of iron. Varieties include kidney ore, martite (pseudomorphs after magnetite), iron rose and specularite (specular hematite). While the forms of hematite vary, they all have a rust-red streak. Hematite is harder than pure iron, but much more brittle. Maghemite is a hematite- and magnetite-related oxide mineral.Huge deposits of hematite are found in banded iron formations. Gray hematite is typically found in places where there has been standing water or mineral hot springs, such as those in Yellowstone National Park in North America. The mineral can precipitate out of water and collect in layers at the bottom of a lake, spring, or other standing water. Hematite can also occur without water, however, usually as the result of volcanic activity.Clay-sized hematite crystals can also occur as a secondary mineral formed by weathering processes in soil, and along with other iron oxides or oxyhydroxides such as goethite, is responsible for the red color of many tropical, ancient, or otherwise highly weathered soils.".
- Hematite thumbnail Hematite.jpg?width=300.
- Hematite wikiPageExternalLink 07-ml-3-soil-mosaic-B019R1_br.jpg.
- Hematite wikiPageExternalLink 08-AY-3-shiny-B026R1_br.jpg.
- Hematite wikiPageExternalLink www.ironminers.com.
- Hematite wikiPageExternalLink min-1856.html.
- Hematite wikiPageExternalLink min-2583.html.
- Hematite wikiPageExternalLink min-26770.html.
- Hematite wikiPageExternalLink florence.htm.
- Hematite wikiPageID "14207".
- Hematite wikiPageRevisionID "606275746".
- Hematite birefringence "δ = 0.280".
- Hematite caption "Hematite from Michigan".
- Hematite category Oxide_minerals.
- Hematite cleavage "None, may show partings on {0001} and {101}".
- Hematite color "Metallic gray, dull to bright red".
- Hematite diaphaneity "Opaque".
- Hematite formula "iron(III) oxide, Fe2O3, α-Fe2O3".
- Hematite fracture "Uneven to sub-conchoidal".
- Hematite gravity "5.26".
- Hematite habit "Tabular to thick crystals; micaceous or platy, commonly in rosettes; radiating fibrous, reniform, botryoidal or stalactitic masses, columnar; earthy, granular, oolitic".
- Hematite hasPhotoCollection Hematite.
- Hematite luster "Metallic to splendent".
- Hematite mohs "5.5".
- Hematite name "Hematite".
- Hematite opticalprop "Uniaxial".
- Hematite pleochroism "O = brownish red; E = yellowish red".
- Hematite refractive "nω = 3.150–3.220, nε = 2.870–2.940".
- Hematite streak "Bright red to dark red".
- Hematite strunz "4".
- Hematite symmetry "H-M symbol:".
- Hematite symmetry "Space group: Rc".
- Hematite symmetry "Trigonal hexagonal scalenohedral".
- Hematite system Trigonal_crystal_system.
- Hematite tenacity "Brittle".
- Hematite twinning "Penetration and lamellar".
- Hematite unitCell "a = 5.038 Å, c = 13.772 Å; Z = 6".
- Hematite wordnet_type synset-mineral-noun-1.
- Hematite subject Category:Hematite_group.
- Hematite subject Category:Iron_minerals.
- Hematite subject Category:Iron_oxide_pigments.
- Hematite subject Category:Oxide_minerals.
- Hematite subject Category:Trigonal_minerals.
- Hematite type ChemicalSubstance.
- Hematite type Mineral.
- Hematite type ChemicalObject.
- Hematite type Thing.
- Hematite comment "Hematite, also spelled as haematite, is the mineral form of iron(III) oxide (Fe2O3), one of several iron oxides. Hematite crystallizes in the rhombohedral lattice system, and it has the same crystal structure as ilmenite and corundum. Hematite and ilmenite form a complete solid solution at temperatures above 950 °C (1,740 °F).Hematite is a mineral, colored black to steel or silver-gray, brown to reddish brown, or red. It is mined as the main ore of iron.".
- Hematite label "Ematite".
- Hematite label "Hematiet".
- Hematite label "Hematita".
- Hematite label "Hematita".
- Hematite label "Hematite".
- Hematite label "Hematyt".
- Hematite label "Hämatit".
- Hematite label "Hématite".
- Hematite label "Гематит".
- Hematite label "شاذنج".
- Hematite label "赤鉄鉱".
- Hematite label "赤铁矿".
- Hematite sameAs Hematit.
- Hematite sameAs Hämatit.
- Hematite sameAs Αιματίτης.
- Hematite sameAs Hematita.
- Hematite sameAs Hematite.
- Hematite sameAs Hématite.
- Hematite sameAs Hematit.
- Hematite sameAs Ematite.
- Hematite sameAs 赤鉄鉱.
- Hematite sameAs 적철석.
- Hematite sameAs Hematiet.
- Hematite sameAs Hematyt.
- Hematite sameAs Hematita.
- Hematite sameAs m.03pf1.
- Hematite sameAs Q103223.
- Hematite sameAs Q103223.
- Hematite wasDerivedFrom Hematite?oldid=606275746.
- Hematite depiction Hematite.jpg.
- Hematite isPrimaryTopicOf Hematite.
- Hematite name "Hematite".