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- Aegirine abstract "Aegirine is a member of the clinopyroxene group of inosilicates. Aegirine is the sodium endmember of the aegirine-augite series. Aegirine has the chemical formula NaFeSi2O6 in which the iron is present as Fe3+. In the aegirine-augite series the sodium is variably replaced by calcium with iron(II) and magnesium replacing the iron(III) to balance the charge. Aluminium also substitutes for the iron(III). It is also known as acmite, which is a fibrous, green-colored variety.Aegirine occurs as dark green monoclinic prismatic crystals. It has a glassy luster and perfect cleavage. The Mohs hardness varies from 5 to 6 and the specific gravity is 3.2 to 3.4.Commonly occurs in alkalic igneous rocks, nepheline syenites, carbonatites and pegmatites. Also in regionallymetamorphosed schists, gneisses, and iron formations; in blueschist facies rocks, and from sodium metasomatism in granulites. It may occur as an authigenic mineral in shales and marls. It occurs in association with potassic feldspar, nepheline, riebeckite, arfvedsonite, aenigmatite, astrophyllite, catapleiite, eudialyte, serandite and apophyllite.Localities include Mont Saint-Hilaire, Quebec, Canada; Kongsberg, Norway; Narsarssuk, Greenland; Kola Peninsula, Russia; Magnet Cove, Arkansas, USA; Kenya; Scotland and Nigeria. It was first described in 1835 for an occurrence in Rundemyr, Øvre Eiker, Buskerud, Norway. Aegirine was named after Ægir, the Teutonic god of the sea. A synonym for the mineral is acmite (from Greek ἀκμή "point, edge") in reference to the typical pointed crystals.".
- Aegirine thumbnail 8336M-aegirine.jpg?width=300.
- Aegirine wikiPageExternalLink aegirine.htm.
- Aegirine wikiPageID "2054659".
- Aegirine wikiPageLength "4322".
- Aegirine wikiPageOutDegree "57".
- Aegirine wikiPageRevisionID "631780232".
- Aegirine wikiPageWikiLink Aenigmatite.
- Aegirine wikiPageWikiLink Apophyllite.
- Aegirine wikiPageWikiLink Arfvedsonite.
- Aegirine wikiPageWikiLink Arkansas.
- Aegirine wikiPageWikiLink Astrophyllite.
- Aegirine wikiPageWikiLink Augite.
- Aegirine wikiPageWikiLink Blueschist.
- Aegirine wikiPageWikiLink Blueschist_facies.
- Aegirine wikiPageWikiLink Canada.
- Aegirine wikiPageWikiLink Carbonatite.
- Aegirine wikiPageWikiLink Catapleiite.
- Aegirine wikiPageWikiLink Category:Inosilicates.
- Aegirine wikiPageWikiLink Category:Iron_minerals.
- Aegirine wikiPageWikiLink Category:Monoclinic_minerals.
- Aegirine wikiPageWikiLink Category:Pyroxene_group.
- Aegirine wikiPageWikiLink Category:Sodium_minerals.
- Aegirine wikiPageWikiLink Continental_Germanic_mythology.
- Aegirine wikiPageWikiLink Eudialyte.
- Aegirine wikiPageWikiLink Feldspar.
- Aegirine wikiPageWikiLink Gneiss.
- Aegirine wikiPageWikiLink Granulite.
- Aegirine wikiPageWikiLink Greek_language.
- Aegirine wikiPageWikiLink Greenland.
- Aegirine wikiPageWikiLink Iron.
- Aegirine wikiPageWikiLink Kenya.
- Aegirine wikiPageWikiLink Kola_Peninsula.
- Aegirine wikiPageWikiLink Kongsberg.
- Aegirine wikiPageWikiLink Magnet_Cove,_Arkansas.
- Aegirine wikiPageWikiLink Marl.
- Aegirine wikiPageWikiLink Metamorphism.
- Aegirine wikiPageWikiLink Metasomatism.
- Aegirine wikiPageWikiLink Mohs_hardness.
- Aegirine wikiPageWikiLink Mohs_scale_of_mineral_hardness.
- Aegirine wikiPageWikiLink Monoclinic.
- Aegirine wikiPageWikiLink Monoclinic_crystal_system.
- Aegirine wikiPageWikiLink Mont_Saint-Hilaire.
- Aegirine wikiPageWikiLink Nepheline.
- Aegirine wikiPageWikiLink Nepheline_syenite.
- Aegirine wikiPageWikiLink Nigeria.
- Aegirine wikiPageWikiLink Norway.
- Aegirine wikiPageWikiLink Oxygen.
- Aegirine wikiPageWikiLink Pegmatite.
- Aegirine wikiPageWikiLink Pyroxene.
- Aegirine wikiPageWikiLink Quebec.
- Aegirine wikiPageWikiLink Riebeckite.
- Aegirine wikiPageWikiLink Russia.
- Aegirine wikiPageWikiLink Schist.
- Aegirine wikiPageWikiLink Scotland.
- Aegirine wikiPageWikiLink Serandite.
- Aegirine wikiPageWikiLink Shale.
- Aegirine wikiPageWikiLink Silicate_mineral.
- Aegirine wikiPageWikiLink Silicate_minerals.
- Aegirine wikiPageWikiLink Silicon.
- Aegirine wikiPageWikiLink Sodium.
- Aegirine wikiPageWikiLink Specific_gravity.
- Aegirine wikiPageWikiLink Sérandite.
- Aegirine wikiPageWikiLink Ægir.
- Aegirine wikiPageWikiLink File:Egiryn,_Malawi.JPG.
- Aegirine wikiPageWikiLinkText "Aegirine".
- Aegirine wikiPageWikiLinkText "aegirine".
- Aegirine 2v "Measured: 60° to 90°, Calculated: 68° to 84°".
- Aegirine birefringence "δ = 0.037 - 0.061".
- Aegirine caption "Monoclinic crystal of aegirine with orthoclase, from Mount Malosa, Zomba District, Malawi".
- Aegirine category Pyroxene.
- Aegirine category Silicate_mineral.
- Aegirine category Silicate_minerals.
- Aegirine cleavage "Good on {110}, ^ ≈87°; parting on {100}".
- Aegirine color "Dark Green, Greenish Black".
- Aegirine diaphaneity "Translucent to opaque".
- Aegirine formula "3".
- Aegirine fracture "Uneven".
- Aegirine gravity "3.5".
- Aegirine habit "Prismatic crystals may be in sprays of acicular crystals, fibrous, in radial concretions".
- Aegirine hasPhotoCollection Aegirine.
- Aegirine imagesize "250".
- Aegirine luster "Vitreous to slightly resinous".
- Aegirine mohs "6".
- Aegirine molweight "231".
- Aegirine name "Aegirine".
- Aegirine opticalprop "Biaxial".
- Aegirine pleochroism "X = emerald green, deep green; Y = grass-green, deep green, yellow; Z = brownish green, green, yellowish brown, yellow".
- Aegirine refractive "nα = 1.720 - 1.778 nβ = 1.740 - 1.819 nγ = 1.757 - 1.839".
- Aegirine streak "Yellowish-grey".
- Aegirine strunz "9".
- Aegirine symmetry "Monoclinic 2/m".
- Aegirine system "Monoclinic Prismatic".
- Aegirine tenacity "Brittle".
- Aegirine twinning "Simple and lamellar twinning common on {100}".
- Aegirine unitCell "a = 9.658 Å, b = 8.795 Å, c = 5.294 Å, β = 107.42°; Z=4".
- Aegirine wikiPageUsesTemplate Template:Commons.
- Aegirine wikiPageUsesTemplate Template:Infobox_mineral.
- Aegirine wikiPageUsesTemplate Template:Refbegin.
- Aegirine wikiPageUsesTemplate Template:Refend.