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- Aenigmatite abstract "Aenigmatite, also known as Cossyrite after Cossyra, the ancient name of Pantelleria, is a sodium, iron, titanium inosilicate mineral. The chemical formula is Na2Fe2+5TiSi6O20 and its structure consists of single tetrahedral chains with a repeat unit of four and complex side branches. It forms brown to black triclinic lamellar crystals. It has Mohs hardness of 5.5 to 6 and specific gravity of 3.74 to 3.85. Aenigmatite forms a solid-solution series with wilkinsonite, Na2Fe2+4Fe3+2Si6O20. Aenigmatite is primarily found in peralkaline volcanic rocks, pegmatites, and granites as well as silica-poor intrusive rocks. It was first described by August Breithaupt in 1865 for an occurrence in the Ilimaussaq intrusive complex of southwest Greenland. Its name comes from αίνιγμα, the Greek word for "riddle". It was also reported from the Kaidun meteorite, possibly a Mars meteorite, which landed on March 1980 in South Yemen. Other notable studied occurrences include: Narsaarsuk and elsewhere in Greenland. The Khibiny and Lovozero alkaline massifs on Kola Peninsula, Russia. The volcanic island of Pantelleria, Italy. In the USA, from Granite Mountain, near Little Rock, Pulaski County, Arkansas, and Santa Rosa, Sonoma County, California. In Australia, from Warrumbungle volcano, Nandewar volcano, and the Mount Warning complex, New South Wales; and the Peak Range Province, Queensland. In Canada, from Mount Edziza, the Ilgachuz and Rainbow Range shield complexes. From Logan Point quarry, Dunedin volcano, New Zealand.↑ ↑ ↑".
- Aenigmatite thumbnail Aenigmatite_-_Mineralogisches_Museum_Bonn2.jpg?width=300.
- Aenigmatite wikiPageID "2491911".
- Aenigmatite wikiPageLength "4207".
- Aenigmatite wikiPageOutDegree "47".
- Aenigmatite wikiPageRevisionID "541439209".
- Aenigmatite wikiPageWikiLink August_Breithaupt.
- Aenigmatite wikiPageWikiLink Category:Inosilicates.
- Aenigmatite wikiPageWikiLink Category:Iron_minerals.
- Aenigmatite wikiPageWikiLink Category:Sodium_minerals.
- Aenigmatite wikiPageWikiLink Category:Titanium_minerals.
- Aenigmatite wikiPageWikiLink Category:Triclinic_minerals.
- Aenigmatite wikiPageWikiLink Granite.
- Aenigmatite wikiPageWikiLink Greek_language.
- Aenigmatite wikiPageWikiLink Greenland.
- Aenigmatite wikiPageWikiLink H-M_symbol.
- Aenigmatite wikiPageWikiLink Hermann–Mauguin_notation.
- Aenigmatite wikiPageWikiLink Ilgachuz_Range.
- Aenigmatite wikiPageWikiLink Ilimaussaq_intrusive_complex.
- Aenigmatite wikiPageWikiLink Inosilicates.
- Aenigmatite wikiPageWikiLink Intrusion.
- Aenigmatite wikiPageWikiLink Intrusive.
- Aenigmatite wikiPageWikiLink Iron.
- Aenigmatite wikiPageWikiLink Italy.
- Aenigmatite wikiPageWikiLink Kaidun_meteorite.
- Aenigmatite wikiPageWikiLink Khibiny_Massif.
- Aenigmatite wikiPageWikiLink Khibiny_Mountains.
- Aenigmatite wikiPageWikiLink Kola_Peninsula.
- Aenigmatite wikiPageWikiLink Little_Rock.
- Aenigmatite wikiPageWikiLink Little_Rock,_Arkansas.
- Aenigmatite wikiPageWikiLink Lovozero_Massif.
- Aenigmatite wikiPageWikiLink Mars_meteorite.
- Aenigmatite wikiPageWikiLink Martian_meteorite.
- Aenigmatite wikiPageWikiLink Mineral.
- Aenigmatite wikiPageWikiLink Mohs_hardness.
- Aenigmatite wikiPageWikiLink Mohs_scale_of_mineral_hardness.
- Aenigmatite wikiPageWikiLink Mount_Edziza_volcanic_complex.
- Aenigmatite wikiPageWikiLink Nandewar.
- Aenigmatite wikiPageWikiLink Narsaarsuk.
- Aenigmatite wikiPageWikiLink Pantelleria.
- Aenigmatite wikiPageWikiLink Pegmatite.
- Aenigmatite wikiPageWikiLink Peralkaline.
- Aenigmatite wikiPageWikiLink Peralkaline_rock.
- Aenigmatite wikiPageWikiLink Pulaski_County,_Arkansas.
- Aenigmatite wikiPageWikiLink Rainbow_Range_(Chilcotin_Plateau).
- Aenigmatite wikiPageWikiLink Rainbow_Range_(Coast_Mountains).
- Aenigmatite wikiPageWikiLink Russia.
- Aenigmatite wikiPageWikiLink Santa_Rosa,_California.
- Aenigmatite wikiPageWikiLink Silicate_minerals.
- Aenigmatite wikiPageWikiLink Sodium.
- Aenigmatite wikiPageWikiLink Sonoma_County,_California.
- Aenigmatite wikiPageWikiLink South_Yemen.
- Aenigmatite wikiPageWikiLink Space_group.
- Aenigmatite wikiPageWikiLink Specific_gravity.
- Aenigmatite wikiPageWikiLink Titanium.
- Aenigmatite wikiPageWikiLink Triclinic.
- Aenigmatite wikiPageWikiLink Triclinic_crystal_system.
- Aenigmatite wikiPageWikiLink Volcanic.
- Aenigmatite wikiPageWikiLink Volcano.
- Aenigmatite wikiPageWikiLink Warrumbungles.
- Aenigmatite wikiPageWikiLink Wilkinsonite.
- Aenigmatite wikiPageWikiLinkText "Aenigmatite".
- Aenigmatite wikiPageWikiLinkText "aenigmatite".
- Aenigmatite 2v "Measured: 27° to 55°".
- Aenigmatite birefringence "δ = 0.090 - 0.100".
- Aenigmatite caption "Aenigmatite from Kangerdluarsuk, Greenland".
- Aenigmatite category Inosilicates.
- Aenigmatite category Silicate_minerals.
- Aenigmatite cleavage "Good on {010} and {100}".
- Aenigmatite color "Velvet-black".
- Aenigmatite diaphaneity "Translucent to opaque".
- Aenigmatite formula "Na2Fe2+5TiSi6O20".
- Aenigmatite fracture "Uneven".
- Aenigmatite gravity "3.81".
- Aenigmatite habit "Poorly developed prismatic crystals, occurring as irregular clusters".
- Aenigmatite hasPhotoCollection Aenigmatite.
- Aenigmatite luster "Vitreous to greasy".
- Aenigmatite mohs "5.5".
- Aenigmatite name "Aenigmatite".
- Aenigmatite opticalprop "Biaxial".
- Aenigmatite pleochroism "X = yellow brown; Y = red-brown; Z = dark brown to black".
- Aenigmatite refractive "nα = 1.780 - 1.800 nβ = 1.800 - 1.820 nγ = 1.870 - 1.900".
- Aenigmatite streak "Reddish brown".
- Aenigmatite strunz "9".
- Aenigmatite symmetry "H-M symbol:".
- Aenigmatite symmetry "Space group: P".
- Aenigmatite symmetry "Triclinic pinacoidal".
- Aenigmatite system "Triclinic - pseudomonoclinic".
- Aenigmatite tenacity "Brittle".
- Aenigmatite twinning "Complex by rotation perpendicular to or about [010] of the pseudomonoclinic cell; polysynthetic".
- Aenigmatite unitCell "Z = 2".
- Aenigmatite unitCell "a = 10.415 Å, b = 10.840 Å, c = 8.931 Å;".
- Aenigmatite unitCell "α = 105.107°, β = 96.610°, γ = 125.398°;".
- Aenigmatite wikiPageUsesTemplate Template:Infobox_mineral.
- Aenigmatite wikiPageUsesTemplate Template:Reflist.
- Aenigmatite wikiPageUsesTemplate Template:Titanium_minerals.
- Aenigmatite subject Category:Inosilicates.
- Aenigmatite subject Category:Iron_minerals.
- Aenigmatite subject Category:Sodium_minerals.
- Aenigmatite subject Category:Titanium_minerals.