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- Ulvöspinel abstract "Ulvöspinel or ulvite is an iron titanium oxide mineral with formula: Fe2TiO4 or TiFe2+2O4. It forms brown to black metallic isometric crystals with a Mohs hardness of 5.5 to 6. It belongs to the spinel group of minerals, as does magnetite, Fe3O4.Ulvöspinel forms as solid solutions with magnetite at high temperatures and reducing conditions, and grains crystallized from some basalt-gabbro magmas are rich in the ulvöspinel component. The ulvöspinel component tends to oxidize to magnetite plus ilmenite during subsolidus cooling of the host rocks, and the ilmenite so produced may form apparent exsolution (trellis type) laminae in magnetite. The texture was once interpreted as indicating solid solution between ilmenite and magnetite, until the oxidation reaction and resultant textures were reproduced in laboratory experiments first described by Buddington and Lindsley (1964, Journal of Petrology 5, p. 310-357). The results are important to plate tectonics because magnetite is an important recorder of rock magnetism.Ulvöspinel was first described from a dolerite layered intrusion in the Ulvö Islands, Ångermanland, Sweden in 1943. The locality is an iron, titanium and vanadium mining area that has been active since the 17th century. It is common in titaniferous magnetite iron ore deposits. It also occurs in kimberlites, in some reduced iron-bearing basalts and is common in lunar basalts.".
- Ulvöspinel wikiPageID "4818945".
- Ulvöspinel wikiPageRevisionID "573385947".
- Ulvöspinel category Oxide_minerals.
- Ulvöspinel category Spinel_group.
- Ulvöspinel category "Spinel structural group".
- Ulvöspinel color "Iron-black, brown in reflected light".
- Ulvöspinel diaphaneity "Opaque".
- Ulvöspinel formula "TiFe2+2O4".
- Ulvöspinel gravity "4.78".
- Ulvöspinel habit "Commonly as an exsolution in magnetite".
- Ulvöspinel luster "Metallic".
- Ulvöspinel mohs "5.5".
- Ulvöspinel name "Ulvöspinel".
- Ulvöspinel strunz "4".
- Ulvöspinel system "Isometric - hexoctahedral".
- Ulvöspinel subject Category:Spinel_group.
- Ulvöspinel type ChemicalSubstance.
- Ulvöspinel type Mineral.
- Ulvöspinel type ChemicalObject.
- Ulvöspinel type Thing.
- Ulvöspinel comment "Ulvöspinel or ulvite is an iron titanium oxide mineral with formula: Fe2TiO4 or TiFe2+2O4. It forms brown to black metallic isometric crystals with a Mohs hardness of 5.5 to 6. It belongs to the spinel group of minerals, as does magnetite, Fe3O4.Ulvöspinel forms as solid solutions with magnetite at high temperatures and reducing conditions, and grains crystallized from some basalt-gabbro magmas are rich in the ulvöspinel component.".
- Ulvöspinel label "Ulvospinello".
- Ulvöspinel label "Ulvöspinel".
- Ulvöspinel label "Ulvöspinel".
- Ulvöspinel sameAs Ulv%C3%B6spinel.
- Ulvöspinel sameAs Ulvospinello.
- Ulvöspinel sameAs Ulvöspinel.
- Ulvöspinel sameAs Q4003291.
- Ulvöspinel sameAs Q4003291.
- Ulvöspinel wasDerivedFrom Ulvöspinel?oldid=573385947.