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History / Historique Discovery date/Date de découverte : 1964; Town of Origin/Localité-type : ETTRINGER BELLERBERG, MAYEN, EIFEL, RHEINLAND-PFALZ;
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Mayenite inorganic electrides are antizeolite nanoporous materials with variable electron concentration [Ca12Al14O32]2+5-O1-2-e2- (0 < 1), where stands for empty sites. The oxymayenite crystal structure contains positively charged cages where loosely bounded oxide anions are located. Dept. Qumica Inorgnica,
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One major goal in materials chemistry is to find inexpensive compounds with improved capabilities. Stable inorganic electrides, derived from nanoporous mayenite [Ca12Al14O32]O, are a new family that has very interesting properties such as electronic conductivity combined with transparency.
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Mayenit (Mayenite) Vorkommen (5) | Übersichtskarte | Bilderkarussell | Bilder (geordnet) | Bildertabelle | FabreMinerals.com - search for: Mayenite...
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Catalyst for steam cracking reactions consisting of pure mayenite having the general formula: 12CaO.7Al 2 O 3 having an X-ray diffraction spec Catalyst for steam cracking reactions consisting of pure mayenite having the general formula:
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2009, Vol. 30 No. 12 Protic solvents, such as ethanol and water, facilitated the transfer of proton, which overcame the steric hindrance of the The use of a new washcoat material, 12SrO•7Al2O3 mayenite, prevented the interaction of the La0.8Sr0.2MnO3 perovskite active phase with the cordierite monolith.
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Peter W. Harben, Inc., an industrial mineral consultancy with international and national perspectives. Provides comprehensive market analyses of non-metallic minerals plus related editorial services. Greek actino = ray and lithos = stone in reference to its occurrence in bundles of radiating needles Greek amblys = dull,
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Nickel-Strunz 10th (pending) edition ID: 4.BB.05; 4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates); B : Metal: Oxygen = 3:4 and similar; B : With only medium-sized cation About Crystal Atlas...
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Classification of Brucite Type Occurrence of Brucite Physical Properties of Brucite...
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afwillite, hydrocalumite, mayenite, gypsum (Hatrurim Formation, Israel). Distribution: In Germany, from the Ettringer-Bellerberg volcano, near Mayen, and Schellkopf near Brenk, Eifel district; in the Zeilberg quarry, Maroldsweisach, Bavaria.
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