Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Melilite> ?p ?o }
- Melilite abstract "Melilite refers to a mineral of the melilite group. Minerals of the group are solid solutions of several endmembers, the most important of which are gehlenite and åkermanite. A generalized formula for common melilite is (Ca,Na)2(Al,Mg,Fe2+)[(Al,Si)SiO7]. Discovered in 1793 near Rome, it has a yellowish, greenish brown color. The name derives from the Greek words meli (μέλι) \"honey\" and lithos (λίθους) \"stone\".Minerals of the melilite group are sorosilicates. They have the same basic structure, of general formula A2B(T2O7). The melilite structure consist of pairs of fused TO4, where T may be Si, Al, B, in bow-tie form. Sharing one corner, the formula of the pair is T2O7. These bow-ties are linked together into sheets by the B cations. The sheets are held together by the A cations, most commonly calcium and sodium. Aluminium may sit on either the T or the B site.Minerals with the melilite structure may show a cleavage parallel to the (001) crystallographic directions and may show weaker cleavage perpendicular to this, in the {110} directions. Melilite is tetragonal.The important endmembers of common melilite are åkermanite Ca2Mg(Si2O7) and gehlenite Ca2Al[AlSiO7]. Many melilites also contain appreciable iron and sodium.Some other compositions with the melilite structure include: alumoåkermanite (Ca,Na)2(Al,Mg,Fe2+)(Si2O7), okayamalite Ca2B[BSiO7], gugiaite Ca2Be[Si2O7],hardystonite Ca2Zn[Si2O7], barylite BaBe2[Si2O7], andremeyerite BaFe2+2[Si2O7]. Some structures formed by replacing one oxygen by F or OH: leucophanite (Ca,Na)2(Be,Al)[Si2O6(F,OH)], jeffreyite\t(Ca,Na)2(Be,Al)[Si2O6(O,OH)], and meliphanite (Ca,Na)2(Be,Al)[Si2O6(OH,F)]New members of this mineral group were artificially grown and became intensively studied due to their multiferroic property, i. e. they simultaneously show ferroelectric and magnetic ordering at low temperatures. This gives rise to peculiar optical properties, for example Ba2Co(Ge2O7) shows giant directional dichroism (different absorption for counter-propagating light beams) and hosts magnetically switchable chirality.".
- Melilite thumbnail Orthit_12.jpg?width=300.
- Melilite wikiPageExternalLink optical-properties-of-multiferroic-materials.
- Melilite wikiPageExternalLink Al26clock.html.
- Melilite wikiPageID "3223721".
- Melilite wikiPageLength "7307".
- Melilite wikiPageOutDegree "65".
- Melilite wikiPageRevisionID "611770706".
- Melilite wikiPageWikiLink Aluminium.
- Melilite wikiPageWikiLink Alumoåkermanite.
- Melilite wikiPageWikiLink Andremeyerite.
- Melilite wikiPageWikiLink Barylite.
- Melilite wikiPageWikiLink Calcium.
- Melilite wikiPageWikiLink Calcium–aluminium-rich_inclusion.
- Melilite wikiPageWikiLink Category:Aluminium_minerals.
- Melilite wikiPageWikiLink Category:Calcium_minerals.
- Melilite wikiPageWikiLink Category:Iron_minerals.
- Melilite wikiPageWikiLink Category:Magnesium_minerals.
- Melilite wikiPageWikiLink Category:Sorosilicates.
- Melilite wikiPageWikiLink Category:Tetragonal_minerals.
- Melilite wikiPageWikiLink Chondrite.
- Melilite wikiPageWikiLink Classification_of_non-silicate_minerals.
- Melilite wikiPageWikiLink Cleavage_(geology).
- Melilite wikiPageWikiLink Crust_(geology).
- Melilite wikiPageWikiLink Crystallography.
- Melilite wikiPageWikiLink File:Melilite-wiki.png.
- Melilite wikiPageWikiLink Gehlenite.
- Melilite wikiPageWikiLink Gugiaite.
- Melilite wikiPageWikiLink Hardystonite.
- Melilite wikiPageWikiLink Igneous_rock.
- Melilite wikiPageWikiLink Ion.
- Melilite wikiPageWikiLink Iron.
- Melilite wikiPageWikiLink Isotope.
- Melilite wikiPageWikiLink Jeffreyite.
- Melilite wikiPageWikiLink Leucophanite.
- Melilite wikiPageWikiLink Limestone.
- Melilite wikiPageWikiLink List_of_minerals.
- Melilite wikiPageWikiLink Magma.
- Melilite wikiPageWikiLink Magnesium.
- Melilite wikiPageWikiLink Mantle_(geology).
- Melilite wikiPageWikiLink Melilite_group.
- Melilite wikiPageWikiLink Meliphanite.
- Melilite wikiPageWikiLink Metamorphic_rock.
- Melilite wikiPageWikiLink Meteorite.
- Melilite wikiPageWikiLink Mineral.
- Melilite wikiPageWikiLink Multiferroics.
- Melilite wikiPageWikiLink Normative_mineralogy.
- Melilite wikiPageWikiLink Okayamalite.
- Melilite wikiPageWikiLink Oxygen.
- Melilite wikiPageWikiLink Perovskite.
- Melilite wikiPageWikiLink Pyroxene.
- Melilite wikiPageWikiLink Quartz.
- Melilite wikiPageWikiLink Silicate_minerals.
- Melilite wikiPageWikiLink Silicon.
- Melilite wikiPageWikiLink Skarn.
- Melilite wikiPageWikiLink Sodium.
- Melilite wikiPageWikiLink Solar_System.
- Melilite wikiPageWikiLink Solid_solution.
- Melilite wikiPageWikiLink Tetragonal_crystal_system.
- Melilite wikiPageWikiLink Åkermanite.
- Melilite wikiPageWikiLink File:Melilite1.pdf.
- Melilite wikiPageWikiLinkText "Melilite".
- Melilite wikiPageWikiLinkText "melilite".
- Melilite wikiPageWikiLinkText "melilitic".
- Melilite birefringence "δ = 0.006 - 0.011".
- Melilite caption "Orthite and melilite with quartz, from a thin section in crossed polarized light.".
- Melilite category "Sorosilicates".
- Melilite cleavage "Distinct on {001}, weak on {110}".
- Melilite color "Yellowish, greenish brown".
- Melilite diaphaneity "Translucent".
- Melilite formula "2".
- Melilite fracture "Uneven".
- Melilite gravity "2.9".
- Melilite habit "Massive - granular".
- Melilite luster "Vitreous - greasy".
- Melilite mohs "5".
- Melilite name "Melilite".
- Melilite opticalprop "Uniaxial".
- Melilite refractive "nω = 1.632 - 1.669 nε = 1.626 - 1.658".
- Melilite streak "white".
- Melilite strunz "9".
- Melilite system Tetragonal_crystal_system.
- Melilite wikiPageUsesTemplate Template:Commons_category.
- Melilite wikiPageUsesTemplate Template:Infobox_mineral.
- Melilite wikiPageUsesTemplate Template:Portal.
- Melilite wikiPageUsesTemplate Template:Reflist.
- Melilite subject Category:Aluminium_minerals.
- Melilite subject Category:Calcium_minerals.
- Melilite subject Category:Iron_minerals.
- Melilite subject Category:Magnesium_minerals.
- Melilite subject Category:Sorosilicates.
- Melilite subject Category:Tetragonal_minerals.
- Melilite type ChemicalSubstance.
- Melilite type Mineral.
- Melilite type Sorosilicate.
- Melilite type ChemicalObject.
- Melilite type Thing.
- Melilite type Q7946.
- Melilite comment "Melilite refers to a mineral of the melilite group. Minerals of the group are solid solutions of several endmembers, the most important of which are gehlenite and åkermanite. A generalized formula for common melilite is (Ca,Na)2(Al,Mg,Fe2+)[(Al,Si)SiO7]. Discovered in 1793 near Rome, it has a yellowish, greenish brown color. The name derives from the Greek words meli (μέλι) \"honey\" and lithos (λίθους) \"stone\".Minerals of the melilite group are sorosilicates.".
- Melilite label "Melilite".