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- Krotite abstract "Krotite is a natural mineral composed of calcium, aluminium and oxygen, with the molecular formula CaAl2O4. It is the low-pressure dimorph of CaAl2O4, of which the high-pressure dimorph is named dmitryivanovite.Krotite was reported in 2011 in a calcium-aluminium-rich inclusion (CAI) in the carbonaceous chondrite meteorite NWA (North West Africa) 1934, which landed in Morocco. The mineral name was approved by the International Mineralogical Association (IMA 2010-038) and honors Alexander N. Krot, a researcher in cosmochemistry at the University of Hawaii at Manoa in Honolulu, Hawaii.Researchers have found that the mineral, which has the same atomic arrangement as a man-made component of some types of concrete, forms under low pressure at a temperature of at least 1,500 °C (2,730 °F). These conditions of high temperature and low pressure are consistent with a hypothesis that the krotite grains found in the meteorite formed as high-temperature condensates from the solar nebula from which the solar system formed, approximately 4.6 billion years ago. Thus, they are likely to be among the earliest minerals formed in the solar system.The CAI containing the krotite was said to resemble a \"cracked egg\" because its rim was crosscut by cracks filled with iron and aluminum hydroxides. Researchers suggest that the mineral assemblage in the CAI was at one time surrounded by a hot gas that reacted with krotite crystals on the surface of the CAI. It is likely that cracks on this rim of the CAI were filled with hydrated oxides as a result of weathering that occurred after the meteorite landed on Earth.Associated minerals include perovskite, gehlenite, hercynite, mayenite, grossite, hibonite, spinel and diopside.".
- Krotite wikiPageID "31698576".
- Krotite wikiPageLength "4328".
- Krotite wikiPageOutDegree "39".
- Krotite wikiPageRevisionID "660963550".
- Krotite wikiPageWikiLink Aluminium.
- Krotite wikiPageWikiLink Aluminium_hydroxide.
- Krotite wikiPageWikiLink Calcium.
- Krotite wikiPageWikiLink Calcium–aluminium-rich_inclusion.
- Krotite wikiPageWikiLink Carbonaceous_chondrite.
- Krotite wikiPageWikiLink Category:Aluminium_minerals.
- Krotite wikiPageWikiLink Category:Calcium_minerals.
- Krotite wikiPageWikiLink Category:Meteorite_minerals.
- Krotite wikiPageWikiLink Category:Oxide_minerals.
- Krotite wikiPageWikiLink Chlormayenite.
- Krotite wikiPageWikiLink Concrete.
- Krotite wikiPageWikiLink Condensation_reaction.
- Krotite wikiPageWikiLink Cosmochemistry.
- Krotite wikiPageWikiLink Diopside.
- Krotite wikiPageWikiLink Dmitryivanovite.
- Krotite wikiPageWikiLink Formation_and_evolution_of_the_Solar_System.
- Krotite wikiPageWikiLink Gas.
- Krotite wikiPageWikiLink Gehlenite.
- Krotite wikiPageWikiLink Glossary_of_meteoritics.
- Krotite wikiPageWikiLink Grossite.
- Krotite wikiPageWikiLink Hercynite.
- Krotite wikiPageWikiLink Hibonite.
- Krotite wikiPageWikiLink International_Mineralogical_Association.
- Krotite wikiPageWikiLink Iron_oxide.
- Krotite wikiPageWikiLink Meteorite.
- Krotite wikiPageWikiLink Mineral.
- Krotite wikiPageWikiLink Morocco.
- Krotite wikiPageWikiLink Oxide_minerals.
- Krotite wikiPageWikiLink Oxygen.
- Krotite wikiPageWikiLink Perovskite.
- Krotite wikiPageWikiLink Polymorphism_(materials_science).
- Krotite wikiPageWikiLink Pressure.
- Krotite wikiPageWikiLink Solar_System.
- Krotite wikiPageWikiLink Space_group.
- Krotite wikiPageWikiLink Spinel.
- Krotite wikiPageWikiLink Temperature.
- Krotite wikiPageWikiLink University_of_Hawaii_at_Manoa.
- Krotite wikiPageWikiLink Weathering.
- Krotite wikiPageWikiLink Ångström.
- Krotite wikiPageWikiLinkText "Krotite".
- Krotite wikiPageWikiLinkText "krotite".
- Krotite category Oxide_minerals.
- Krotite color "Colorless".
- Krotite diaphaneity "Transparent".
- Krotite formula "CaAl2O4".
- Krotite gravity "2.94".
- Krotite luster "Vitreous".
- Krotite mohs "~ 6.5".
- Krotite name "Krotite".
- Krotite streak "White".
- Krotite symmetry "Monoclinic 2/m, space group P21/n".
- Krotite unitCell "a = 8.6996 Å, b = 8.0994 Å, c = 15.2170 Å, β = 90.188°".
- Krotite wikiPageUsesTemplate Template:Convert.
- Krotite wikiPageUsesTemplate Template:Infobox_mineral.
- Krotite wikiPageUsesTemplate Template:Meteorites.
- Krotite wikiPageUsesTemplate Template:Reflist.
- Krotite subject Category:Aluminium_minerals.
- Krotite subject Category:Calcium_minerals.
- Krotite subject Category:Meteorite_minerals.
- Krotite subject Category:Oxide_minerals.
- Krotite hypernym Mineral.
- Krotite type ChemicalSubstance.
- Krotite type Mineral.
- Krotite type Oxide.
- Krotite type ChemicalObject.
- Krotite type Thing.
- Krotite type Q7946.
- Krotite comment "Krotite is a natural mineral composed of calcium, aluminium and oxygen, with the molecular formula CaAl2O4. It is the low-pressure dimorph of CaAl2O4, of which the high-pressure dimorph is named dmitryivanovite.Krotite was reported in 2011 in a calcium-aluminium-rich inclusion (CAI) in the carbonaceous chondrite meteorite NWA (North West Africa) 1934, which landed in Morocco. The mineral name was approved by the International Mineralogical Association (IMA 2010-038) and honors Alexander N.".
- Krotite label "Krotite".
- Krotite sameAs Q430121.
- Krotite sameAs Krotit.
- Krotite sameAs Krotita.
- Krotite sameAs Krotyt.
- Krotite sameAs m.0gmbwwj.
- Krotite sameAs Q430121.
- Krotite wasDerivedFrom Krotite?oldid=660963550.
- Krotite isPrimaryTopicOf Krotite.
- Krotite name "Krotite".